Test on Aircraft Engine Fuel Systems and Induction
Aircraft Engine Fuel Systems and Induction Explained for Students
Test: Turbine Engine Fuel Systems, Reciprocating Engine Induction
20 questions
Question 1: The relief valve in some aircraft fuel filters prevents any fuel from reaching the fuel control device if the filter becomes plugged.
A. Ano
B. Ne
Explanation: The relief valve in some aircraft fuel filters is designed to open and allow unfiltered fuel to flow to the fuel control device if the filter should become plugged with ice or other contaminants.
Question 2: Prist is added to the fuel used in turbojet aircraft to act as an antifreeze agent.
A. Ano
B. Ne
Explanation: Prist acts as an antifreeze agent, lowering the freezing point of the entrained water that is released from the fuel.
Question 3: What is the primary function of Prist as a biocidal agent when added to the fuel used in a turbojet aircraft?
A. It acts as a lubricant for fuel pump components.
B. It kills scum forming bacteria in the fuel tank.
C. It increases the octane rating of the fuel.
D. It prevents fuel line corrosion.
Explanation: Prist is a biocidal agent that kills the scum forming bacteria in the fuel tank, and also acts as an antifreeze agent, lowering the freezing point of the entrained water that is released from the fuel.
Question 4: According to the study materials, which of the following statements accurately describe basic types of turbine engine fuel?
A. Jet A and A-1 are kerosine-based fuels.
B. Jet B is a special type of kerosine-based fuel.
C. Military JP-4 is similar to kerosine-based fuels.
D. Jet B is a gasoline-based fuel.
Explanation: The study materials state that Jet A and A-1 are kerosine-based fuels, and Jet B is gasoline-based fuel. It also states that military JP-5 is like Jet A/A-1 (kerosine-based) and military JP-4 is like Jet B (gasoline-based), making option 1 and 2 incorrect.
Question 5: The heat used to warm the induction air in a reciprocating engine is drawn directly from the engine's coolant system.
A. Ano
B. Ne
Explanation: The study material states that the heat for induction air is taken from a shroud installed around a part of the exhaust system, not directly from the coolant system.