User	Jake Christie
Course	19FA_DESL_1210_QT - On-Campus - Electricity and Electronics
Test	DESL 1210 Final
Started	11/12/19 5:05 PM
Submitted	11/14/19 7:10 AM
Due Date	11/14/19 1:00 PM
Status	Completed
Attempt Score	355.2 out of 400 points
Time Elapsed	38 hours, 5 minutes
Instructions
This take home open book test will become available at 5:00 pm on Tuesday November 13. You have one attempt that is due at 1:00 PM on Thursday November 15 when we will start our Lab Final

Results Displayed	All Answers, Submitted Answers, Incorrectly Answered Questions
Question 1
3.2 out of 3.2 points

Correct	Technician A says that exposure to solvents may have long-term effects. Technician B says that accidents are almost always avoidable. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 2
3.2 out of 3.2 points

Correct	Technician A says that both caution and danger indicate a potentially hazardous situation. Technician B says that an exhaust extraction hose is not needed if the vehicle is only going to run for a few minutes. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 3
3.2 out of 3.2 points

Correct	Technician A says that a good way to clean dust off brakes is with compressed air. Technician B says that asbestos may be in current auto parts. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 4
3.2 out of 3.2 points

Correct	Technician A says that appropriate work clothes include loose-fitting clothing. Technician B says that you should always wear cuffed pants when working in a shop. Who is correct?
Selected Answer:
D. Neither Technician A nor Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 5
3.2 out of 3.2 points

Correct
Technician A says that barrier creams are used to make cleaning your hands easier. Technician B says that hearing protection only needs to be worn by people operating loud equipment. Who is correct?

Selected Answer:
A.
Technician A

Answers:
A.
Technician A

B.
Technician B

C.
Both Technician A and Technician B

D.
Neither Technician A nor Technician B

Question 6
3.2 out of 3.2 points

Correct	Technician A says AC circuits are used in virtually all chassis circuits because a battery can easily store and supply AC current. Technician B says DC current is used to power hybrid drive electric motors. Who is correct?
Selected Answer:
D. Neither Technician A nor Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 7
3.2 out of 3.2 points

Correct	Technician A says all questions about the nature of electricity lead to the composition of matter. Technician B says the movement of electrons from one atom to another is called electricity. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 8
3.2 out of 3.2 points

Correct	Technician A says metal oxide semiconductors are used in MOS-type transistors and microprocessors. Technician B says MOS types have less resistance and conduct more current than the older semiconductor materials. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 9
3.2 out of 3.2 points

Correct	Technician A says there are two theories of current flow: the electron theory and the conventional theory. Technician B says it is only important to remember that current flow is described by both concepts. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 10
3.2 out of 3.2 points

Correct	Technician A says two types of materials make up a basic semiconductor. Technician B says the two types are R-type and M-type. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 11
3.2 out of 3.2 points

Correct	Which of the following is NOT a factor that determines the level of electrical resistance?
Selected Answer:
D. Weight of the conductor
Answers:
A. Type of material
B. Length of the conductor
C. Diameter of the conductor
D. Weight of the conductor
Question 12
3.2 out of 3.2 points

Correct	Which of the following is NOT correct concerning movement of electric current?
Selected Answer:
D. Resistance is measured in amps.
Answers:
A. Watts or wattage is the unit for measuring power.
B. Resistance produces a decrease or drop in voltage.
C. Wattage is a function of Voltage × Amperage.
D. Resistance is measured in amps.
Question 13
3.2 out of 3.2 points

Correct	Which of the following is correct concerning electrostatic law?
Selected Answer:
D. All of these are correct.
Answers:
A. A proton (+) charge repels another proton (+) charge.
B. An electron (-) charge repels another electron (-) charge.
C. A proton (+) charge attracts an electron (-)charge.
D. All of these are correct.
Question 14
3.2 out of 3.2 points

Correct	Which of the following statements is correct concerning conductivity?
Selected Answer:
D. All of these are correct.
Answers:
A. Copper makes an excellent conductor.
B. Electrolytes are liquids that conduct electric current.
C. The liquid inside a lead acid battery is an example of where electrolyte is used.
D. All of these are correct.
Question 15
3.2 out of 3.2 points

Correct	Which of the following statements is correct concerning semiconductors?
Selected Answer:
D. All of these are correct.
Answers:
A. Transistors can be used to switch current flow on and off and amplify electrical signals.
B. Transistors are used to construct logic gates in integrated circuits.
C. Logic gates enable integrated circuits and larger microcontrollers and processors to perform mathematical calculations essential for the proper functioning of an ECM.
D. All of these are correct.
Question 16
3.2 out of 3.2 points

Correct
A deficiency of electrons gives an atom an overall ____________charge.

Selected Answer:
B.
positive

Answers:
A.
electrical

B.
positive

C.
neutral

D.
negative

Question 17
3.2 out of 3.2 points

Correct
Atoms with the fewest electrons in its outer shell are the best ____________.

Selected Answer:
C.
conductors

Answers:
A.
insulators

B.
semiconductors

C.
conductors

D.
transistors

Question 18
3.2 out of 3.2 points

Correct
Like charges are ____________ by one another.

Selected Answer:
C.
repelled

Answers:
A.
balanced

B.
resisted

C.
repelled

D.
attracted

Question 19
3.2 out of 3.2 points

Correct
Resistance in the elements converts electrical energy into __________ energy.

Selected Answer:
B.
heat

Answers:
A.
light

B.
heat

C.
kinetic

D.
chemical

Question 20
0 out of 3.2 points

Incorrect
What are most semiconductors today made from?

Selected Answer:
D.
Silicon

Answers:
A.
Electrolytes

B.
Germanium

C.
Metal oxides

D.
Silicon

Question 21
3.2 out of 3.2 points

Correct
What is measured in ohms?

Selected Answer:
A.
Resistance

Answers:
A.
Resistance

B.
Currents

C.
Circuits

D.
Conductivity

Question 22
3.2 out of 3.2 points

Correct
What is the unit for measuring power?

Selected Answer:
C.
Wattage

Answers:
A.
Amperage

B.
Voltage

C.
Wattage

D.
Ohms

Question 23
3.2 out of 3.2 points

Correct
What term is used to describe resistance in AC circuits?

Selected Answer:
C.
Impedance

Answers:
A.
Electrostatic force

B.
Amperage

C.
Impedance

D.
Hertz

Question 24
3.2 out of 3.2 points

Correct	Technician A says dozens of varieties of fuel cells exist, but they all fundamentally work in the same manner. Technician B says like a battery, a fuel cell requires recharging. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 25
3.2 out of 3.2 points

Correct	Technician A says magnetism can produce electricity. Technician B says electricity cannot produce magnetism. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 26
3.2 out of 3.2 points

Correct	Technician A says solar cells that can produce electricity are widely used in commercial vehicle applications. Technician B says commercially available cells are used as trickle chargers for batteries. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 27
3.2 out of 3.2 points

Correct	Technician A says the current that is induced when the magnetic field collapses after a circuit is opened can have much lower voltage than the voltage in the closed circuit. Technician B says any coil of wire in an electrical system can produce hundreds of volts when it is de-energized. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 28
3.2 out of 3.2 points

Correct	Technician A says the principle of producing electrical current flow using electromagnets is known as electromagnetic induction. Technician B says alternators, generators, and speed sensors use this electrical principle to produce electrical current. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 29
3.2 out of 3.2 points

Correct	A fuel cell is an electrochemical device that combines hydrogen and oxygen to produce electricity and ________.
Selected Answer:
D. water
Answers:
A. acid
B. heat
C. alcohol
D. water
Question 30
3.2 out of 3.2 points

Correct	As electrical current flows from negative to positive, magnetic____________ travels north to south.
Selected Answer:
C. lines of force
Answers:
A. fields
B. strength
C. lines of force
D. flux
Question 31
3.2 out of 3.2 points

Correct	Like batteries, fuel cells consist of three sections—the positive and negative plates and a(n)____________.
Selected Answer:
A. electrolytic membrane
Answers:
A. electrolytic membrane
B. soft iron core
C. acid
D. alkaline solution
Question 32
3.2 out of 3.2 points

Correct	Solar cells are an example of what type of energy?
Selected Answer:
C. Photovoltaic
Answers:
A. Piezoelectric
B. Electrostatic
C. Photovoltaic
D. Electrochemical
Question 33
3.2 out of 3.2 points

Correct	Stronger magnets have more ___________.
Selected Answer:
D. flux
Answers:
A. reluctance
B. insulation
C. conductors
D. flux
Question 34
3.2 out of 3.2 points

Correct	The number of magnetic lines of force per square inch is called___________.
Selected Answer:
B. flux density
Answers:
A. reluctance
B. flux density
C. a magnetic charge
D. flux
Question 35
0 out of 3.2 points

Incorrect	Voltage from a single cell is approximately how many volts?
Selected Answer:
A. 1.2
Answers:
A. 1.2
B. 5.0
C. 0.7
D. 0.1
Question 36
3.2 out of 3.2 points

Correct	Technician A says Watt's Law, which is related to Ohm's law, explains the relationship between resistance and amperage. Technician B says increasing amperage through a circuit produces proportionally more resistance. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 37
3.2 out of 3.2 points

Correct	Technician A says a polymeric positive temperature coefficient device (PPTC) is a thermistor-like electronic device used to protect against circuit overloads. Technician B says PPTCs are commonly known as resettable fuses. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 38
3.2 out of 3.2 points

Correct	Technician A says circuits are pathways made by electrical conductors that enable the flow of electrons. Technician B says a variety of classifications are used to describe circuit configurations and failures. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 39
3.2 out of 3.2 points

Correct	Technician A says fuse links are short sections of wire installed in series with larger diameter conductors. Technician B says when the gauge on the main conductor is at halfway, the fuse link will overheat and melt as excessive amperage passes through the wire. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 40
3.2 out of 3.2 points

Correct	Technician A says virtual fuses, or e-fuses, are a recent innovation in circuit protection. Technician B says virtual fuses are software-controlled fuses that use Field Effect Transistors (FET) as the circuit control device. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 41
3.2 out of 3.2 points

Correct	A good fuse will have virtually the same ________ on both sides.
Selected Answer:
D. voltage
Answers:
A. resistance
B. amperage
C. current
D. voltage
Question 42
3.2 out of 3.2 points

Correct	Dirty, corroded, or loose connections result in what type of circuits?
Selected Answer:
A. Resistive
Answers:
A. Resistive
B. Intermittent
C. Grounded
D. Short
Question 43
3.2 out of 3.2 points

Correct	In a series circuit, how many pathways are there for current to flow?
Selected Answer:
D. One
Answers:
A. It varies
B. Two
C. Infinite
D. One
Question 44
3.2 out of 3.2 points

Correct	Traditional fuses, fuse links, and circuit breakers are connected ___________.
Selected Answer:
B. in series
Answers:
A. directly to the voltage supply
B. in series
C. in parallel
D. in series-parallel
Question 45
3.2 out of 3.2 points

Correct	What is the simplest type of electrical circuit?
Selected Answer:
C. Series
Answers:
A. Series-parallel
B. Short
C. Series
D. Parallel
Question 46
3.2 out of 3.2 points

Correct	Technician A says a relay is a switch that uses a small amount of current to switch a larger amount of current. Technician B says locating a relay closer to a load requiring large amounts of current eliminates voltage drop caused by resistance from long runs of wires. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 47
0 out of 3.2 points

Incorrect	Technician A says capacitors never wear out, but they can short out. Technician B says an ohmmeter connected to each lead of the capacitor should show continuity. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 48
3.2 out of 3.2 points

Correct	Technician A says magnetic switches have a different function as compared to a relay. Technician B says magnetic switches can be classified as continuous or intermittent duty service. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 49
3.2 out of 3.2 points

Correct	Technician A says sandwiching a P- and N- semiconductor material produces a diode. Technician B says diodes are electronic devices, which operate as one way electrical check valves. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 50
3.2 out of 3.2 points

Correct	Technician A says smart switches can function as digital inputs to electronic control systems. Technician B says because switches can be in only one of two states, switch inputs are binary inputs. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 51
3.2 out of 3.2 points

Correct	A grounded circuit is sometimes called ____________.
Selected Answer:
B. dead short
Answers:
A. a combination circuit
B. dead short
C. back-feed
D. a short
Question 52
3.2 out of 3.2 points

Correct	Excessive ________ through terminals and connectors will produce heat.
Selected Answer:
B. amperage
Answers:
A. voltage
B. amperage
C. wattage
D. resistance
Question 53
3.2 out of 3.2 points

Correct	In a series circuit, there are multiple loads but only one path for ___________
Selected Answer:
A. current flow
Answers:
A. current flow
B. voltage
C. resistance
D. amperage
Question 54
3.2 out of 3.2 points

Correct	Type 1 circuit breakers are __________ resetting breakers.
Selected Answer:
C. automatically
Answers:
A. temperature coefficient
B. non-cycling
C. automatically
D. manually
Question 55
3.2 out of 3.2 points

Correct	What is the unit for electrical power?
Selected Answer:
B. Watts
Answers:
A. Farads
B. Watts
C. Amps
D. Ohms
Question 56
3.2 out of 3.2 points

Correct	Technician A says a relay is a switch that uses a small amount of current to switch a larger amount of current. Technician B says locating a relay closer to a load requiring large amounts of current eliminates voltage drop caused by resistance from long runs of wires. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 57
3.2 out of 3.2 points

Correct	Technician A says capacitors never wear out, but they can short out. Technician B says an ohmmeter connected to each lead of the capacitor should show continuity. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 58
3.2 out of 3.2 points

Correct	Technician A says magnetic switches have a different function as compared to a relay. Technician B says magnetic switches can be classified as continuous or intermittent duty service. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 59
3.2 out of 3.2 points

Correct	Technician A says sandwiching a P- and N- semiconductor material produces a diode. Technician B says diodes are electronic devices, which operate as one way electrical check valves. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 60
3.2 out of 3.2 points

Correct	Technician A says smart switches can function as digital inputs to electronic control systems. Technician B says because switches can be in only one of two states, switch inputs are binary inputs. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 61
3.2 out of 3.2 points

Correct	A typical input and output device operated by microcontrollers might be a(n)____________.
Selected Answer:
A. sensor
Answers:
A. sensor
B. battery
C. shock absorber
D. alternator
Question 62
3.2 out of 3.2 points

Correct	FETs can conduct large amounts of current without __________.
Selected Answer:
D. damage
Answers:
A. other components
B. burning out the coil winding
C. instruction
D. damage
Question 63
3.2 out of 3.2 points

Correct	The Zener point for a silicon diode is from ________volts.
Selected Answer:
C. 20 to 70
Answers:
A. 5 to 15
B. 10 to 20
C. 20 to 70
D. 75 to 100
Question 64
3.2 out of 3.2 points

Correct	Two types of impurities introduced, or ________, with the silicon can create either a shifting positive or negative charge.
Selected Answer:
B. doped
Answers:
A. calibrated
B. doped
C. modulated
D. integrated
Question 65
3.2 out of 3.2 points

Correct	What is the term given to the use of FETs that replace a fuse or circuit breaker in the individual high-side controlled circuits?
Selected Answer:
D. Virtual fusing
Answers:
A. Breakdowns
B. Changeover contacts
C. Photolithography
D. Virtual fusing
Question 66
3.2 out of 3.2 points

Correct	Technician A says that a popular type of LED test light is battery powered and has two LEDs-one red and the other green. Technician B says that the LED light will change brightness depending on the circuit's voltage. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 67
3.2 out of 3.2 points

Correct	Technician A says that ammeters measure the quantity of electrons flowing through a circuit per second of time. Technician B says that measuring amperage requires that the circuit be broken and the meter placed in series with the circuit so that all the current flows through the meter shunts. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 68
3.2 out of 3.2 points

Correct	Technician A says that circuit tracers, also called wire tracers, are electronic service tools used to trace a single wire over a distance where multiple wires are bundled, shorted, or open. Technician B says that circuit tracers can identify wires deeply buried behind walls or in tightly bundled harness. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 69
3.2 out of 3.2 points

Correct	Technician A says that multimeters use a thermocouple accessory to measure temperature by contact. Technician B says that heating the thermocouple produces amperage proportional to temperature. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 70
3.2 out of 3.2 points

Correct	Technician A says that vibration analyzers are used to identify the root cause of vehicle vibration. Technician B says that, typically, flywheel speed and road speed sensors are used along with data collected from a three-axis accelerometer placed under the driver's seat using a magnet. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 71
3.2 out of 3.2 points

Correct	DC inductive amp clamps use ___________.
Selected Answer:
A. Hall effect technology
Answers:
A. Hall effect technology
B. road speed sensors
C. thermocouple accessories
D. exhaust gas sensors
Question 72
3.2 out of 3.2 points

Correct	Measuring ___________ requires that the circuit be broken and the meter placed in series with the circuit so that all the current flows through the meter shunts.
Selected Answer:
C. amperage
Answers:
A. AC
B. voltage
C. amperage
D. resistance
Question 73
3.2 out of 3.2 points

Correct	Scan tools that can control selected vehicle components or initiate systems actuator or diagnostic tests on command are_______________.
Selected Answer:
B. bi-directional controls
Answers:
A. meters
B. bi-directional controls
C. graphical displays
D. scopes
Question 74
3.2 out of 3.2 points

Correct	What devices work by measuring a conductor’s magnetic field strength?
Selected Answer:
B. Inductive amp clamps
Answers:
A. Multimeters
B. Inductive amp clamps
C. Ammeters
D. Voltmeters
Question 75
3.2 out of 3.2 points

Correct	When connected in series with a circuit, which of the following can indicate bad grounds or parasitic current drawn from a battery?
Selected Answer:
B. Test lights
Answers:
A. Meter shunts
B. Test lights
C. Voltmeters
D. Ohmmeters
Question 76
3.2 out of 3.2 points

Correct	Technician A says that hybrid electric vehicles are not commonplace in urban transit but are likely to be in the future. Technician B says that commercial equipment, particularly diesel-powered equipment, will use multiple batteries connected in series or parallel to produce adequate starting current. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 77
3.2 out of 3.2 points

Correct	Technician A says that a fully charged 12-volt battery is 12.00 volts. Technician B says that connecting cells together in series allows batteries to be produced in a variety of output voltage. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 78
3.2 out of 3.2 points

Correct	Technician A says that lead-acid battery electrolyte is a mixture of 64% sulfuric acid and 36% water. Technician B says that sulfuric acid has a specific gravity of 1.835 which means it is much heavier than water. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 79
3.2 out of 3.2 points

Correct	Technician A says that battery plates are made of two different compositions of lead that is fabricated from paste and bonded to lead-alloy grids. Technician B says that the negative plate uses lead peroxide (PbO 2) and the positive plate uses lead (Pb). Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 80
3.2 out of 3.2 points

Correct	Technician A says that during charging and discharging, water in the electrolyte is broken apart into its constituent hydrogen and oxygen in a process called electrolysis. Technician B says if battery electrolyte is too low, the plates dry out, and the increased acid concentration of electrolyte permanently damages the grids. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 81
3.2 out of 3.2 points

Correct	Technician A says that the latest and most advanced commercial vehicle battery technology are absorbed glass mat (AGM) batteries. Technician B says that the AGM battery can deliver more cranking amperage and absorb up to 10% more charging current than conventional lead acid. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 82
3.2 out of 3.2 points

Correct	Which of the following statements is correct concerning deep cycle-deep discharge batteries?
Selected Answer:
D. All of the choices are correct.
Answers:
A. Deep cycle batteries are used to deliver a lower, steady level of power for a much longer period of time than an SLI type battery.
B. Battery plate construction and charging and discharging characteristics of deep cycle batteries are different from SLI type batteries.
C. In heavy vehicles, deep cycle batteries are used to supply current to constantly powered accessories, such as driver and vehicle communication devices.
D. All of the choices are correct.
Question 83
3.2 out of 3.2 points

Correct	Which of the following statements is correct concerning separator plates?
Selected Answer:
C. Both To prevent the battery positive and negative plate from touching and short circuiting, separator plates are placed between each plate in every cell and Separator plates are very thin, porous, glass-fiber plates allowing electrolyte to diffuse freely throughout the cell and at the same time prevent plate contact.
Answers:
A. To prevent the battery positive and negative plate from touching and short circuiting, separator plates are placed between each plate in every cell.
B. Separator plates are very thin, porous, glass-fiber plates allowing electrolyte to diffuse freely throughout the cell and at the same time prevent plate contact.
C. Both To prevent the battery positive and negative plate from touching and short circuiting, separator plates are placed between each plate in every cell and Separator plates are very thin, porous, glass-fiber plates allowing electrolyte to diffuse freely throughout the cell and at the same time prevent plate contact.
D. Neither To prevent the battery positive and negative plate from touching and short circuiting, separator plates are placed between each plate in every cell nor Separator plates are very thin, porous, glass-fiber plates allowing electrolyte to diffuse freely throughout the cell and at the same time prevent plate contact.
Question 84
3.2 out of 3.2 points

Correct	Which of the following is correct concerning multiple-battery configurations?
Selected Answer:
C. Both Batteries can be connected together to supply either more amperage or more voltage and Diesel engines, which require more cranking torque, will either connect batteries in parallel, to supply more cranking amperage, or in series to supply higher voltage.
Answers:
A. Batteries can be connected together to supply either more amperage or more voltage.
B. Diesel engines, which require more cranking torque, will either connect batteries in parallel, to supply more cranking amperage, or in series to supply higher voltage.
C. Both Batteries can be connected together to supply either more amperage or more voltage and Diesel engines, which require more cranking torque, will either connect batteries in parallel, to supply more cranking amperage, or in series to supply higher voltage.
D. Neither Batteries can be connected together to supply either more amperage or more voltage nor Diesel engines, which require more cranking torque, will either connect batteries in parallel, to supply more cranking amperage, or in series to supply higher voltage.
Question 85
3.2 out of 3.2 points

Correct	Which of the following is NOT correct concerning the internal resistance of batteries?
Selected Answer:
D. Newer lithium batteries cost about the same as the standard lead-acid battery.
Answers:
A. All electrical devices have internal resistance- even batteries.
B. A battery's internal resistance determines how quickly a battery can be charged or discharged.
C. Newer lithium batteries have a lower internal resistance than that of a lead-acid battery.
D. Newer lithium batteries cost about the same as the standard lead-acid battery.
Question 86
3.2 out of 3.2 points

Correct	A microprocessor-controlled battery management system is required for ______ batteries to prevent damage and extend life cycle.
Selected Answer:
C. Li-ion
Answers:
A. absorbed glass mat
B. spiral-wound cell
C. Li-ion
D. VRLA
Question 87
3.2 out of 3.2 points

Correct	An advantage of VRLA batteries includes___________________.
Selected Answer:
C. no tray corrosion
Answers:
A. required specific gravity readings
B. lowest cranking amps
C. no tray corrosion
D. reduced cable corrosion
Question 88
3.2 out of 3.2 points

Correct	Battery management systems (BMS) are designed to ___________________.
Selected Answer:
B. prolong the life of the battery
Answers:
A. adjust battery voltage
B. prolong the life of the battery
C. operate after the engine is shut down
D. start the vehicle’s engine when key-off loads or other parasitic draws are draining the battery
Question 89
3.2 out of 3.2 points

Correct	Energy __________ is expressed in Watt-hour per kilogram (Wh/kg) and Watt-hour per liter (Wh/l).
Selected Answer:
C. density
Answers:
A. efficiency
B. storage
C. density
D. life span
Question 90
3.2 out of 3.2 points

Correct	In NiMH batteries, the electrolyte is composed of ______________.
Selected Answer:
D. potassium-hydroxide
Answers:
A. manganese oxide
B. lithium–phosphate
C. nickel oxide
D. potassium-hydroxide
Question 91
3.2 out of 3.2 points

Correct	Lead-acid batteries have how many volts per cell?
Selected Answer:
A. 2.1
Answers:
A. 2.1
B. 3.3
C. 4.0
D. 1.2
Question 92
3.2 out of 3.2 points

Correct	Li-ion cells maintain a constant voltage for over what percentage of their discharge curve?
Selected Answer:
B. 80%
Answers:
A. 50%
B. 80%
C. 5%
D. 90%
Question 93
0 out of 3.2 points

Incorrect	Since _________ batteries are completely sealed, they can be installed in any position without leaking.
Selected Answer:
D. AGM
Answers:
A. VRLA
B. Li-ion
C. spiral-wound cell
D. AGM
Question 94
3.2 out of 3.2 points

Correct	The dielectric material in an ultra capacitor is double layered and is made from _________.
Selected Answer:
B. porous carbon
Answers:
A. nickel-metal hydride
B. porous carbon
C. lithium
D. fiberglass
Question 95
3.2 out of 3.2 points

Correct	Ultra capacitors have a very low____________ when compared to lead-acid batteries.
Selected Answer:
C. internal resistance
Answers:
A. self-discharge rates
B. voltage
C. internal resistance
D. current flow
Question 96
3.2 out of 3.2 points

Correct	Technician A says that batteries should be the starting point when diagnosing complaints such as hard starting, slow cranking, or no start. Technician B says that dirt on top of the battery does not cause premature self-discharge of the battery. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 97
3.2 out of 3.2 points

Correct	Technician A says that a low electrolyte level is a common reason for sulfation. Technician B says that high ambient temperature is a common reason for sulfation. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 98
3.2 out of 3.2 points

Correct	Technician A says that, if electrolyte is lost due to spillage, then the battery should be topped up with electrolyte. Technician B says that, if electrolyte level is lost through evaporation, then tap water should be added. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 99
3.2 out of 3.2 points

Correct	Technician A says that a fully charged battery should have an open-circuit voltage of 12.25 volts. Technician B says that, if the battery has been recently charged, a light load applied to the battery for a few minutes will remove a surface charge. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 100
0 out of 3.2 points

Incorrect	Technician A says that the load test determines the ability of a battery to deliver cranking amperage and is based on the battery CCA rating. Technician B says that a battery must be at least 95% charged to perform a capacity test, so SOC must be first evaluated before proceeding. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 101
3.2 out of 3.2 points

Correct	Conducting less amperage means __________ in circuits is reduced, with less damage and loosening of electrical connections.
Selected Answer:
D. resistance
Answers:
A. voltage
B. voltage drop
C. armature speed
D. resistance
Question 102
3.2 out of 3.2 points

Correct	If a starter turns, but the engine does not, this could be caused by which of the following?
Selected Answer:
B. Pinion slipping
Answers:
A. Open circuit in starter
B. Pinion slipping
C. Stuck armature in starter
D. Weak return spring
Question 103
3.2 out of 3.2 points

Correct	Small resistances will become larger as amperage increases is predicted by which of the following laws?
Selected Answer:
C. Joule’s Heating
Answers:
A. Anti-idling
B. Kirchoff’s
C. Joule’s Heating
D. Watt’s
Question 104
3.2 out of 3.2 points

Correct	What is produced by the spinning magnetic field of the armature, which induces current in the opposite direction of battery current through the motor?
Selected Answer:
D. CEMF
Answers:
A. CCA
B. OCP
C. ADLO
D. CEMF
Question 105
3.2 out of 3.2 points

Correct	What test instrument is used to test an armature?
Selected Answer:
B. Growler
Answers:
A. EGR actuator
B. Growler
C. Gauge
D. Voltmeter
Question 106
3.2 out of 3.2 points

Correct	Technician A says that today, the average 12-volt electrical system for a late-model highway tractor add up to 150 amps at peak with an 84-amp average. Technician B says that both DC generators and alternators produce electricity by relative movement of conductors in a magnetic field. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 107
3.2 out of 3.2 points

Correct
Technician A says that the two most important parts in an alternator used to produce electrical current are the rotor and stator winding. Technician B says that the rotor contains a spinning electromagnet that induces current flow in the stator winding, which is made up of numerous coils of wire. Who is correct?

Selected Answer:
C.
Both Technician A and Technician B

Answers:
A.
Technician A

B.
Technician B

C.
Both Technician A and Technician B

D.
Neither Technician A nor Technician B

Question 108
3.2 out of 3.2 points

Correct	Technician A says that regulated current to the alternator rotor is supplied through a pair of graphite brushes sliding against slip rings on the rotor shaft. Technician B says that heavy-duty springs help the brushes maintain contact with the slip rings. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 109
3.2 out of 3.2 points

Correct	What is the minimum oil flow to cool a large, oil-cooled alternator used on a bus?
Selected Answer:
B. 2 gallons (7.6 liters) flow per minute
Answers:
A. 1 gallon (3.8 liters) flow per minute
B. 2 gallons (7.6 liters) flow per minute
C. 3 gallons (11.4 liters) flow per minute
D. 4 gallons (15.2 liters) flow per minute
Question 110
0 out of 3.2 points

Incorrect
Technician A says that stators are normally serviced in a repair facility. Technician B says that stators can be visually checked during rebuilding for burnt, cut, or nicked winding laminations. Who is correct?

Selected Answer:
A.
Technician A

Answers:
A.
Technician A

B.
Technician B

C.
Both Technician A and Technician B

D.
Neither Technician A nor Technician B

Question 111
3.2 out of 3.2 points

Correct	A __________ inside connectors or wire insulation indicates a wicking-related failure.
Selected Answer:
D. powder-like substance
Answers:
A. discoloration
B. chaffing
C. dull grey appearance
D. powder-like substance
Question 112
0 out of 3.2 points

Incorrect	If the location of a component or wiring harness is unknown, what type of diagram shows the outline of a vehicle or piece of equipment where the component can be found?
Selected Answer:
B. Map
Answers:
A. Linear
B. Map
C. Schematic
D. Isometric
Question 113
3.2 out of 3.2 points

Correct	Increasing amperage through a circuit increases resistance, as predicted by what law?
Selected Answer:
C. Joule’s
Answers:
A. Kirchoff’s
B. Watt’s
C. Joule’s
D. Ohm’s
Question 114
3.2 out of 3.2 points

Correct	Smaller wires become more resistant and heat up as __________ increases.
Selected Answer:
A. amperage
Answers:
A. amperage
B. pressure
C. temperature
D. voltage
Question 115
3.2 out of 3.2 points

Correct	Using wires that are too small in diameter may cause ________.
Selected Answer:
A. a fire
Answers:
A. a fire
B. the wire to blister like popcorn
C. the wire to melt
D. harness failure
Question 116
0 out of 3.2 points

Incorrect	Technician A says that the designed-in logic of a circuit that determines what activates a specific circuit is referred to as ladder logic. Technician B says that it is not necessary to have the ability to access, read, and interpret electrical schematic diagrams to repair electrical circuits. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 117
3.2 out of 3.2 points

Correct	Technician A says that incandescent bulbs are the conventional bulb technology first invented by Thomas Edison. Technician B says that for every 1 volt above designed limits, the life expectancy of the bulb drops by 25%. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 118
0 out of 3.2 points

Incorrect	Technician A says that high-intensity discharge (HID) lamps used for headlight systems employ an electric arc to produce the light. Technician B says that the intensity of light from high-intensity discharge bulbs is produced using close to half the current consumed by halogen bulbs, and the bulbs last half as long. Who is correct?
Selected Answer:
B. Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 119
0 out of 3.2 points

Incorrect	Technician A says that the J-560 electrical connector is an SAE standard set for connecting the trailer cord to the tractor and trailer electrical system together and has existed since the late 1950s. Technician B says that this five-pin connector bears the stamp SAE J560, indicating compliance with physical and performance standards of the SAE. Who is correct?
Selected Answer:
C. Both Technician A and Technician B
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 120
0 out of 3.2 points

Incorrect	Technician A says that the directional signal switch in mechanical directional signal systems is supplied current from two sources. Technician B says that power is supplied by the service brake light switch; the other is through the turn signal flasher relay. Who is correct?
Selected Answer:
A. Technician A
Answers:
A. Technician A
B. Technician B
C. Both Technician A and Technician B
D. Neither Technician A nor Technician B
Question 121
3.2 out of 3.2 points

Correct	An advantage of the resistive touch screen includes which of the following?
Selected Answer:
C. Capacity to operate in all climate conditions.
Answers:
A. Moderate cost
B. Dent resistance
C. Capacity to operate in all climate conditions.
D. Do not require as much pressure as other touch screens.
Question 122
3.2 out of 3.2 points

Correct	If gauges do not respond with a prove-out sequence when ignition is switched on, a possible cause could be__________.
Selected Answer:
D. defective stepper motor
Answers:
A. loose connections at sender unit and/or gauge
B. sender unit wires shorted to ground
C. poor, loose, or resistive grounds
D. defective stepper motor
Question 123
0 out of 3.2 points

Incorrect	In the three-coil gauge design, current flow passes through all three coils when ___________ through the sending unit ground path is high.
Selected Answer:
A. amperage
Answers:
A. amperage
B. magnetic field strength
C. temperature
D. resistance
Question 124
0 out of 3.2 points

Incorrect	Sending units are different from sensors, which are low-voltage electronic devices with _____________.
Selected Answer:
B. less resistance
Answers:
A. no moving parts
B. less resistance
C. a permanent magnet
D. more current
Question 125
0 out of 3.2 points

Incorrect	The _________ stepper motor is identified by its five or six wires that connect four field coils.
Selected Answer:
A. digital
Answers:
A. digital
B. unipolar
C. polar
D. bipolar
Thursday, November 14, 2019 7:10:50 AM CS