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AMS 263 FINAL EXAM VERSION 1 AND 2 NEWEST 2025 ACTUAL EXAM COMPLETE 200 QUESTIONS
ANSWERS CORRECT DETAILED
In some aircraft with several fuel tanks, the possible danger of allowing the fuel supply in one tank to
become exhausted before the selector valve is switched to another tank can be prevented by the
installation of - (answer) a fuel pressure warning system
A fuel pressure warning switch contacts close and warning light is turned on when - (answer) the fuel
pressure drops below specified limits
What is the purpose of a float-operated transmitter installed in a fuel tank - (answer) It sends an
electric signal to the fuel quantity indicator
If an older rubber bladder-type fuel tank is to be left empty for an extended period of time, the inside of
the tank should be coated with a film of: - (answer) engine oil
What is normally marked at or near each appropriate fuel filler cover for reciprocating engine-powered
airplanes - (answer) avgas and minimum fuel grade
What unit is generally used to actuate the fuel pressure warning system - (answer) Pressure-sensitive
mechanism
Why is it necessary to vent all aircraft fuel tanks - (answer) To limit pressure differential between the
tank and atmosphere
An electrical-type fuel quantity indicting system consists of an indicator in the cockpit and a - (answer)
float operated transmitter in the tank
what is the recommended practice for cleaning a fuel tank before welding - (answer) Steam clean the
tank interior
What is the primary purpose of the crossfeed system - (answer) to allow the feeding of any engine
from any tank
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AMS 263 FINAL EXAM VERSION 1 AND 2 NEWEST 2025 ACTUAL EXAM COMPLETE 200 QUESTIONS
ANSWERS CORRECT DETAILED
Why is the main fuel strainer located at the lowest point in the fuel system - (answer) It traps any small
amount of water that may be present in the fuel system
Which gas is used for purging an aircraft fuel tank - (answer) carbon dioxide
Which of the following is a definition of a heavy seep - (answer) area of 3.5-4 inches
Fuel system components must be bonded and grounded in order to - (answer) drain off static charges
What type of fuel booster pump requires a pressure relief valve - (answer) sliding vane
How does temperature affect fuel weight - (answer) cold fuel is heavier per gallon
One advantage of electrical and electronic fuel quantity indicating systems is that the indicator -
(answer) can be located any distance from the tank(s)
when installing a rigid fuel line 1/2 inch in diameter, at what intervals should the line be supported -
(answer) 16 inches
Which of the following may be used for the repair of fuel leaks on most integral fuel tanks - (answer)
riveting and resealing
What is used in many aircraft to prevent bubbles in the fuel after it leaves the tank, when atmospheric
pressure is lower than fuel vapor pressure - (answer) boost pumps
T/F The three main types of selector valves are the poppet, cone, and disk - (answer) true
T/F Most fuel pumps fall into two categories: boost pumps and engine driven pumps - (answer) true
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AMS 263 FINAL EXAM VERSION 1 AND 2 NEWEST 2025 ACTUAL EXAM COMPLETE 200 QUESTIONS
ANSWERS CORRECT DETAILED
In some aircraft with several fuel tanks, the possible danger of allowing the fuel supply in one tank to
become exhausted before the selector valve is switched to another tank can be prevented by the
installation of - (answer) a fuel pressure warning system
A fuel pressure warning switch contacts close and warning light is turned on when - (answer) the fuel
pressure drops below specified limits
What is the purpose of a float-operated transmitter installed in a fuel tank - (answer) It sends an
electric signal to the fuel quantity indicator
If an older rubber bladder-type fuel tank is to be left empty for an extended period of time, the inside of
the tank should be coated with a film of: - (answer) engine oil
What is normally marked at or near each appropriate fuel filler cover for reciprocating engine-powered
airplanes - (answer) avgas and minimum fuel grade
What unit is generally used to actuate the fuel pressure warning system - (answer) Pressure-sensitive
mechanism
Why is it necessary to vent all aircraft fuel tanks - (answer) To limit pressure differential between the
tank and atmosphere
An electrical-type fuel quantity indicting system consists of an indicator in the cockpit and a - (answer)
float operated transmitter in the tank
what is the recommended practice for cleaning a fuel tank before welding - (answer) Steam clean the
tank interior
What is the primary purpose of the crossfeed system - (answer) to allow the feeding of any engine
from any tank
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Distribution of this document is illegal extra per year?
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AMS 263 FINAL EXAM VERSION 1 AND 2 NEWEST 2025 ACTUAL EXAM COMPLETE 200 QUESTIONS
ANSWERS CORRECT DETAILED
Why is the main fuel strainer located at the lowest point in the fuel system - (answer) It traps any small
amount of water that may be present in the fuel system
Which gas is used for purging an aircraft fuel tank - (answer) carbon dioxide
Which of the following is a definition of a heavy seep - (answer) area of 3.5-4 inches
Fuel system components must be bonded and grounded in order to - (answer) drain off static charges
What type of fuel booster pump requires a pressure relief valve - (answer) sliding vane
How does temperature affect fuel weight - (answer) cold fuel is heavier per gallon
One advantage of electrical and electronic fuel quantity indicating systems is that the indicator -
(answer) can be located any distance from the tank(s)
when installing a rigid fuel line 1/2 inch in diameter, at what intervals should the line be supported -
(answer) 16 inches
Which of the following may be used for the repair of fuel leaks on most integral fuel tanks - (answer)
riveting and resealing
What is used in many aircraft to prevent bubbles in the fuel after it leaves the tank, when atmospheric
pressure is lower than fuel vapor pressure - (answer) boost pumps
T/F The three main types of selector valves are the poppet, cone, and disk - (answer) true
T/F Most fuel pumps fall into two categories: boost pumps and engine driven pumps - (answer) true
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