Free A&P Powerplant Systems & Components Questions and Answers

Question 1

What is the primary function of the aircraft's carburetor?

Accepted Answer

To mix air and fuel for combustion

Answer

To generate electrical power

Answer

To cool the engine oil

Answer

To pressurize the cabin

Question 2

Which component is responsible for converting reciprocating motion to rotational motion?

Accepted Answer

Crankshaft

Answer

Camshaft

Answer

Turbine blade

Answer

Fuel injector

Question 3

What is the purpose of the turbocharger in an aircraft engine?

Accepted Answer

To compress intake air for better performance at altitude

Answer

To reduce engine noise

Answer

To filter exhaust gases

Answer

To lubricate the propeller

Question 4

Which system provides lubrication to moving engine parts?

Accepted Answer

Oil system

Answer

Fuel system

Answer

Electrical system

Answer

Hydraulic system

Question 5

What is the function of the magneto in an aircraft engine?

Accepted Answer

To generate sparks for ignition

Answer

To pump fuel to the engine

Answer

To cool the engine cylinders

Answer

To pressurize the cabin

Question 6

Which component controls the fuel-air mixture in a reciprocating engine?

Accepted Answer

Mixture control

Answer

Throttle

Answer

Propeller governor

Answer

Oil pressure gauge

Question 7

What is the purpose of the intercooler in a turbocharged engine?

Accepted Answer

To cool the compressed intake air

Answer

To heat the engine oil

Answer

To filter the exhaust gases

Answer

To lubricate the turbocharger

Question 8

Which of these is a symptom of carburetor icing?

Accepted Answer

Engine roughness or loss of power

Answer

Increased oil pressure

Answer

Overheating of the exhaust system

Answer

Rapid propeller overspeed

Question 9

What is the primary purpose of the propeller governor?

Accepted Answer

To maintain constant propeller RPM

Answer

To control fuel flow to the engine

Answer

To generate electrical power

Answer

To pressurize the hydraulic system