(8859) How do the turbines which are driven by the exhause gases of a turbo-compound engine contribute to total engine power output?

A. By driving the crankshaft through sutable couplings.

(8871) Compared to normally aspirated engines, turbocharged engine exhaust systems operate at:

B. Higher temperatures and higher pressures.

(8861) Power recovery turbines used on reciprocating engines are driven by the:

C. Velocity of the exhaust gasses.

(8837) The purpose of an intercooler when used with a turbocharger is to cool the:

C. Air entering thecarburetor from the turbocharger.

(8786) If the turbocharger waste gate is completely closed,:

C. All the exhaust gasses are directed through the turbine.

(8809) In an airplane equipped with an alternate air system, if the main air duct air filter becomes clogged, the:

A. System will automatically allow warm, unfiltered air to be drawn into the engine.

(8788) What is the purpose of the density controller in a turbocharger system?

B. Limits the maximum manifold pressure that can be produced by the turbocharger at full throttle.

(8782) Ad manifold pressure increases in a reciprocating engine, the:

C. Density of the air in the cylinder increases.

(8795) What is used to drive a supercharger?

B. Gear train from the crankshaft.

(8780) During full power output of an unsupercharged engine equipped with a float-type carburetor, in which of the following areas will the highest pressure exist?

C. Carburetor air scoop.

(8793) The differential pressure in a turbocharger system:

A. Reduces bootstrapping during part-throttle operation.

(8783) Which of the following statements regarding volumetric efficiency of an engine is true?

C. It is possible to exceed 100 percent volumetric efficiency of some engines by the use of supercharges of the proper type.

(8793.1) The pressure between the turbocharger and the throttle valve is called:

C. Upper deck clearance.

(8791) What is the purpose of a turbocharger system for a small reciprocating engine?

C. Compresses air to maintain manifold pressure constant from sea level to the critical altitude of the engine.

(8789) What is the purpose of the rate-of-change controller in a turbocharger system?

B. Controls the rate at which the turbocharger discharge pressure will increase.

(8790) What directly regulates the speed of a turbocharger?

B. Waste gate.

(8787) Boost manifold pressure is generally considered to be any manifold pressure above:

C. 30 Inches in Hg.

(8792) What are the three basic components of a sea-level boosted turbocharger?

1. Exhaust bypass assembly.
4. Density Controller.
5. Differential Pressure controller.

B. 1,4,5.

(8784) Bootstrapping of a turbocharged engine is indicated by:

B. A transient increase in engine power.

(8803) If carburetor or induction system icing is not present when carburetor heat in applied with no change in the throttle setting, the:

A. Mixture will become richer.

(8773) Carburetor icing is most severe at:

A. Air temperatures between 30 and 40°F.

(8808) In addition to causing accelerated wear, dust or sand ingested by a reciprocating engine may also cause:

A. Silicone fouling of spark plugs.

(8782) As manifold pressure increases in a reciprocating engine, the:

C. Density of air in the air increases

( Eddy put this question into the review twice >_> )

(8775) Carburetor icing on an engine equipped with a constant-speed propeller can be detected by:

C. Decrease in manifold pressure with a constant RPM.

(8804) When starting an engine equipped with a carburetor air heater, in what position should the heater be placed?

B. Cold

(8824) Which of the following assists in removing heat from the metal walls and fins of an air-cooled cylinder assembly?

B. A baffle and cowl arrangement.

(8838) Prolonged idling of an engine will usually result in:

C. Foreign material buildup on spark plugs.