Aircraft Maintenance Mcqs

Q:

Ram air enters the system through the __________

A) Pitot tube B) Static tube
C) Engines D) APU Exhaust
 
Answer & Explanation Answer: A) Pitot tube

Explanation: Ram air enters the system through the Pitot tube. The tube may be blocked, because of dirt or failure to remove the pitot cover. Such blockage will prevent ram air from entering the system.

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177
Q:

When the aircraft is moving forward, air entering the Pitot tube is at a __________ pressure than the static line.

A) Equal B) Lower
C) Greater D) Infinite
 
Answer & Explanation Answer: C) Greater

Explanation: At an instant where the aircraft is moving forward, the air entering the aircraft’s Pitot tube will be at a greater pressure than the static line. This phenomenon in turn causes the diaphragm to flex thus moving the pointer.

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128
Q:

The down going aileron __________ the lift on its wing.

A) Maintains B) Decreases
C) Increases D) Nullifies
 
Answer & Explanation Answer: C) Increases

Explanation: The down going aileron increases the lift on its wing. In contrary the up-going aileron reduces the lift on its wing, producing a rolling.

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125
Q:

Which of the following is not determined using the pitot-static system?

A) Altitude B) Mach Number
C) Thrust D) Airspeed
 
Answer & Explanation Answer: C) Thrust

Explanation: Thrust is not determined using the pitot-static system. However, the other three parameters altitude, Mach number and airspeed are determined using the pitot-static system.

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124
Q:

Where is the static port mounted?

A) On the fuselage of an aircraft B) On the nose of an aircraft
C) On the engine of an aircraft D) On the tail of an aircraft
 
Answer & Explanation Answer: A) On the fuselage of an aircraft

Explanation: The static port is mounted on the fuselage of an aircraft. The port is located at such a position where it can access the air flow in a relatively undisturbed area.

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120
Q:

Control systems adjust the orientation of a vehicle about its __________

A) Pitch B) Wheels
C) Centre of mass D) Centre of gravity
 
Answer & Explanation Answer: D) Centre of gravity

Explanation: The control systems adjust the orientation of a vehicle about its centre of gravity. The control systems help rotate the aircraft in pitch, roll and yaw. It may be used to pitch the aircraft up or down.

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119
Q:

Which of the following is an unwanted side effect of aileron?

A) Adverse roll B) Adverse yaw
C) Adverse pitch D) Adverse incline
 
Answer & Explanation Answer: B) Adverse yaw

Explanation: Adverse yaw is an unwanted side effect of aileron. Adverse yaw refers to a yawing moment in the opposite direction to the roll.

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116
Q:

Which of the following is not a supplier of engines for the A320 family?

A) International Aero Engines B) CFM International
C) Pratt & Whitney D) General Electric
 
Answer & Explanation Answer: D) General Electric

Explanation: General Electric does not supply engines for the A320 family of aircrafts. However, Cfm International, Pratt & Whitney and International Aero Engines all supply engines for the A320 family.

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