Filters & Injection
Carburetors
Pumps
Troubleshooting
Ratios & Mixtures
100

The three most common types of fuel filters used in turbine-engine fuel systems are: the micron filter, the wafer screen filter, and the what? 

What is the micron filter. 

100

What carburetor component measures the amount of air delivered to the engine?

What is a venturi. 

100

These are operated to provide a positive flow of fuel to the engine?

What are fuel boost pumps. 

100

If an engine is equipped with a float-type carburetor and the engine runs excessively rich at full throttle, a possible cause of the trouble is a clogged what?

What is main air bleed. 

100

Maximum power is normally considered to be developed in a reciprocating engine with a air-fuel mixture ratio of approximately what?

What is 12:1

200

An aircraft engine continuous cylinder fuel injection system normally discharges fuel during which stroke(s)?

What is all (continuously) 

200

The throttle valve of float-type aircraft carburetors is located between the venturi and the what?

What is engine. 

200


"Pump It" was a song recorded by which group for their fourth studio album Monkey Business (2005)? 

200

If fuel is found running from the carburetor with the engine not running, the likely cause is that the what is not seated properly?

What is the float needle valve. 

200

A mixture ratio of 11:1 normally refers to what?

What is 1 part fuel to 11 parts air. 

300

One of the best ways to increase engine power and control detonation and preignition is to use what kind of injection?

What is water. 

300

How often should float carburetors be overhauled?

What is at engine overhaul. 

300

Which type of pump is commonly used as a fuel pump on reciprocating engines?

What is vane

300

If the idling jet becomes clogged in a float-type carburetor, the engine will not what?

What is idle. 

300

Excessively rich or lean idle mixtures result in incomplete what?

What is combustion 

400

A fuel strainer or filter must be located between the tank outlet and the what?

What is the fuel metering system. 

400

A float-type carburetor supplies a rich mixture during idle because at idling speeds the engine may not have enough airflow around the cylinders to provide proper what?

What is cooling. 

400

A characteristic of this type of fuel boost pump is that it separates air and vapor from the fuel?

What is a centrifugal-type. 

400

If a float-type carburetor becomes flooded, the condition is most likely caused by what?

What is a leaking needle valve and seat assembly. 

400

An increase in cylinder head temperature may be caused by an excessively what air-fuel mixture?

What is lean air fuel mixture. 

500

The micron filter has the greatest filtering action. It is capable of filtering out particles down to about how many microns?

What is 10

500

This system in a float-type carburetor increases the fuel/air ratio at high power settings?

What is the economizer system. 

500

What component is used to ensure fuel delivery during periods of rapid engine acceleration?

What is an acceleration pump 

500

When troubleshooting an engine that will not idle, what would be a probable cause?

What is the economizer valve not operating correctly 

500

If the throttle is opened less than normal during the engine starting procedure, a what kind of mixture will be drawn into the cylinders?

What is rich. 

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