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ATA 49 - APU

Authored by Erick Turizo

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ATA 49 - APU
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23 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the Auxiliary Power Unit (APU)?

Electrical power generation

Engine thrust

Fuel storage

Wing anti-ice

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Besides electrical power, what else does the APU provide?

Engine cooling

Air conditioning in-flight

Navigation assistance

Oxygen supply

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When does the air intake flap open and close?

Opens when APU is ON, closes when OFF

Opens during landing, closes during takeoff

Opens during takeoff, closes during landing

Opens when the main engines are running

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the air intake flap?

Engine cooling

Reducing noise

Pneumatic supply

Preventing fires

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the APU installed on the aircraft?

In the cockpit

In the wing

In the fuselage tail cone

In the landing gear

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is vibration transmission reduced between the APU and the aircraft structure?

Through tie rods

Through isolators

Through exhaust muffler

Through air intake

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the APU attached to the structure brackets in the APU compartment ceiling?

Through tie rods

Through bolts

Through welding

Through adhesive

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