Reciprocating Engines
Propellers
The Power Cycle--Intake Systems
The Power Cycle--Combustion and Exhaust
Miscellaneous
100

The other name for the Combustion stroke in a four stroke engine.

What is the power stroke?

100

Another name for a constant speed propeller.

What is a variable pitch propeller?

100

One of the two types of systems used to combine air and fuel in an internal combustion engine.

What is a carburetor system or a fuel injection system?

100

The valve though which the exhaust from an internal combustion engine cylinder will pass.

What is the exhaust valve?

100

The word that a pilot yells out the window just before starting an engine.

What is "clear!"

200

The part of a reciprocating engine which provides the electrical spark for ignition.

What is the spark plug?

200

The lever used to adjust the propeller RPM in a variable pitch propeller.

What is the prop lever?

200

The device that can be used by a pilot to reduce the chances of icing in the carburetor.

What is carburetor heat?

200

The causes of pre-ignition will typically be the result of problems with this part of a reciprocating engine.

What are the spark plugs?

200

The instrument used by a pilot to set power in a turboprop engine.

What is the torquemeter?

300

The method for producing combustion in a reciprocating engines which does not involve the use of a spark plug.

What is compression?

300

The instrument that is used by a pilot to set power when flying with a fixed pitch propeller.

What is the tachometer?

300

The impact on engine performance when a pilot turns on carburetor heat.

What is decreased engine performance?

300

The indications on the oil temperature and pressure gauges when there is an insufficient supply of oil in the engine.

What is high oil temperature and low oil pressure?

300

The first step for a pilot to take when increasing power with a constant speed (variable pitch) propeller. 

What is to increase prop RPM by moving the prop lever forward?

400

One of the two strokes in a four stroke engine that occurs with both valves closed. 

What is the compression stroke or the Power (or combustion) stroke?

400

The instrument that is used by a pilot to set power when flying with a constant speed propeller.

What is the Manifold Pressure Gauge?

400

The purpose of the venturi in a carburetor.

What is to reduce the pressure of the fuel-air mixture (to create an area of low pressure)?

400

The name of the generators that are devoted to energizing the spark plugs.

What are magnetos?

400

The biggest difference between turbochargers and superchargers.

What is turbochargers are driven by engine exhaust and superchargers are driven by engine power?

500

The ratio between the volume in the cylinder before compression to the volume after compression.

What is the compression ratio?

500

The type of pitch on a variable pitch propeller when the engine fails (resulting in the minimum amount of wind resistance from the propeller.)

What is flat pitch or "feathered."

500

The level of humidity below which you will typically not experience carburetor icing.

What is 50% humidity?

500

One of the possible dangers from a damaged exhaust system.

What are (1) carbon monoxide in the cabin, (20 decreased engine performance, or (3) engine fire?

500

The pressure indicated on the Manifold Pressure Gauge when the engine is not running.

What is ambient air pressure (or the air pressure outside the aircraft)?