ATE 207 Week 2 Exam Questions and
Answers Graded A+
A pressure type carburetor discharges fuel into the air stream at a pressure well
below atmospheric pressure. - Correct answer-False
The float operated needle valve, in a float carburetor, regulates the flow through
the inlet which maintains the correct level in the fuel float chamber. - Correct
answer-True
_____________________ can become serious enough to block the fuel flow
completely and stop the engine. - Correct answer-Vapor Lock
The LL in 100LL avgas stands for _____________________ though it contains 4
times the Lead of 80 octane avgas. - Correct answer-Low Lead
Gasoline and other liquid fuels will burn even if they are not mixed with air. -
Correct answer-False
If an engine is operating at high power setting with a very lean mixture, the
cylinder head temperatures would exceed the maximum permissible temperatures
and detonation would occur. - Correct answer-True
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, The fuel nozzles form part of the turbine engine fuel system and Atomize or
Vaporize the fuel so that it will ignite and burn efficiently. - Correct answer-True
Fuel evaporation ice or refrigeration ice is formed because of the decrease in air
temperature resulting from the evaporation of fuel after it is introduced into the
airstream. - Correct answer-True
The fuel discharge nozzle is located in the Cylinder head with its outlet directed
into the _____________________. - Correct answer-intake port
If the throttle is moved toward the "closed" position, the airflow and fuel flow
increase. - Correct answer-False
The stoichiometric mixture produces the lowest combustion temperatures because
the proportion of heat released to a mass of charge (fuel and air) is the greatest. -
Correct answer-False
By the use of Electronic Sensors and Computer Logic built in to electronic controls
the engines can be controlled with much more accuracy. - Correct answer-True
Avgas is generally colored to identify its type. 80 octane avgas is colored
_____________________ 100LL avgas is colored _____________________. -
Correct answer-Red, Blue
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Answers Graded A+
A pressure type carburetor discharges fuel into the air stream at a pressure well
below atmospheric pressure. - Correct answer-False
The float operated needle valve, in a float carburetor, regulates the flow through
the inlet which maintains the correct level in the fuel float chamber. - Correct
answer-True
_____________________ can become serious enough to block the fuel flow
completely and stop the engine. - Correct answer-Vapor Lock
The LL in 100LL avgas stands for _____________________ though it contains 4
times the Lead of 80 octane avgas. - Correct answer-Low Lead
Gasoline and other liquid fuels will burn even if they are not mixed with air. -
Correct answer-False
If an engine is operating at high power setting with a very lean mixture, the
cylinder head temperatures would exceed the maximum permissible temperatures
and detonation would occur. - Correct answer-True
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, The fuel nozzles form part of the turbine engine fuel system and Atomize or
Vaporize the fuel so that it will ignite and burn efficiently. - Correct answer-True
Fuel evaporation ice or refrigeration ice is formed because of the decrease in air
temperature resulting from the evaporation of fuel after it is introduced into the
airstream. - Correct answer-True
The fuel discharge nozzle is located in the Cylinder head with its outlet directed
into the _____________________. - Correct answer-intake port
If the throttle is moved toward the "closed" position, the airflow and fuel flow
increase. - Correct answer-False
The stoichiometric mixture produces the lowest combustion temperatures because
the proportion of heat released to a mass of charge (fuel and air) is the greatest. -
Correct answer-False
By the use of Electronic Sensors and Computer Logic built in to electronic controls
the engines can be controlled with much more accuracy. - Correct answer-True
Avgas is generally colored to identify its type. 80 octane avgas is colored
_____________________ 100LL avgas is colored _____________________. -
Correct answer-Red, Blue
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
