1/30
Question ID: 109605

If the ground wire between the magnetos and the ignition switch becomes disconnected the most noticeable result will be that?

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A

The engine cannot be shut down by turning the ignition switch to the OFF position

B

The power developed by the engine will be strongly reduced

C

The engine cannot be started with the ignition switch in the ON position

D

A still operating engine will shut down
2/30
Question ID: 110338

The thermal efficiency of a gas turbine engine will increase with a?

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A

Increase in humidity

B

Increase in ambient air temperature

C

Decrease in ambient air pressure

D

Decrease in ambient air temperature
3/30
Question ID: 109048

In flight, if the Constant Speed Drive (CSD) temperature indicator is in the red arc the?

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A

Pilot must disconnect it and manually control the alternator

B

Pilot must disconnect it, and the generator is not available for the rest of flight

C

Pilot has to throttle back

D

Pilot can disconnect it to allow it to cool and use it again
4/30
Question ID: 109667

When increasing true airspeed with a constant engine RPM, the angle of attack of a fixed pitch propeller?

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A

Increases

B

Stays constant

C

Stays constant because it only varies with engine RPM

D

Reduces
5/30
Question ID: 110660

The autobrake system is deactivated:

1) Below a preset minimum speed.

2) When reverse thrust is activated.

This question has been flagged as being in an exam by multiple students, give it more attention

A

1) is correct, 2) is correct

B

1) is incorrect, 2) is incorrect

C

1) is correct, 2) is incorrect

D

1) is incorrect, 2) is correct
6/30
Question ID: 107832

On large pressurised jet transport aeroplanes, the maximum cabin differential pressure is approximately ?

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A

13 psi to 15 psi

B

3 psi to 5 psi

C

8 psi to 9 psi

D

22 psi
7/30
Question ID: 110825

One of the advantages of an annular combustion chamber in a gas turbine engine is?

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A

A simpler assembly

B

A reduced thermal stress on the turbine

C

That fewer igniters are required

D

A higher structural strength
8/30
Question ID: 109029

If one of the 12 cells of a Lead-acid battery has a broken connection rendering it inoperable, the battery?

This question has been flagged as being in an exam by multiple students, give it more attention

A

Has 1/12 less capacity, but can still be used

B

Has 1/12 less voltage and less capacity, but can still be used

C

Is unserviceable

D

Has 1/12 less voltage, but can still be used
9/30
Question ID: 107751

Regarding detection systems, ion detectors are used to detect?

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A

Smoke

B

Overtemperature

C

Fire

D

Overtemperature and fire
10/30
Question ID: 107830

Annex 021-004-2008, according to the image, automatic temperature control of the system is achieved by?

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A

The temperature selector in conjunction with cabin sensors and the temperature regulator, modulating the mix valve

B

The cabin sensors and the temperature control regulator modulating the ram air

C

Automatic control of the ram air

D

The temperature selector only, modulating the mix valve
11/30
Question ID: 110675

Which of these statements about compressor stall are correct or incorrect?

1) A compressor stall is most likely to occur in a compressor designed for a high pressure ratio operating at low RPM

2) A compressor stall is most likely to occur when the air flow stagnates in the rear stages of the compressor

This question has been flagged as being in an exam by multiple students, give it more attention

A

1) is incorrect, 2) is correct

B

1) is correct, 2) is incorrect

C

1) is incorrect, 2) is incorrect

D

1) is correct, 2) is correct
12/30
Question ID: 110521

Below its design speed an axial compressor?

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A

Has a tendency to surge in the front stages

B

Has a tendency to surge in the rear stages

C

Has no tendency to surge

D

Has a tendency to surge in the center stages
13/30
Question ID: 109636

The function of the propeller drive gearbox is to cause the propeller to rotate at an RPM?

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A

Less than engine RPM

B

Which varies in its ratio with engine RPM

C

The same as engine RPM

D

Greater than engine RPM
14/30
Question ID: 107834

In a bootstrap cooling system, the bleed air is compressed to?

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A

Ensure an adequate temperature drop in the secondary heat exchanger

B

Increase the cabin air supply pressure when the inlet pressure is too low

C

Maintain a constant cabin mass air flow

D

Ensure an adequate air flow across the secondary heat exchanger
15/30
Question ID: 110476

The autobrake system?

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A

Can only be disconnected by the pilot if the switch is set to OFF position

B

Will disconnect automatically below a certain speed

C

Will disconnect by pressing the pedals

D

Will disconnect automatically by turning on the ground (e.g. leaving the runway)
16/30
Question ID: 110799

After air has passed through the compressor of a gas turbine engine the?

This question has been flagged as being in an exam by multiple students, give it more attention

A

Velocity will be higher than the inlet velocity

B

Pressure will be the same as the inlet pressure

C

Temperature will be higher than the inlet temperature

D

Velocity will be the same as the inlet velocity
17/30
Question ID: 110686

Which of these statements about a reaction turbine are correct or incorrect?

1) The pressure drops across the nozzle guide vanes

2) The pressure remains constant across the rotor blades

This question has been flagged as being in an exam by multiple students, give it more attention

A

1) is incorrect, 2) is incorrect

B

1) is correct, 2) is incorrect

C

1) is incorrect, 2) is correct

D

1) is correct, 2) is correct
18/30
Question ID: 110985

The exhaust noise of a jet engine can be reduced by?

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A

Lowering the jet exhaust velocity

B

Lowering the engine bypass ratio and increasing the exhaust gas temperature

C

Decreasing the fan diameter and increasing the fan rotation speed

D

Increasing the jet exhaust velocity
19/30
Question ID: 114142

The bypass ratio:

1) Is the ratio of inlet air mass flow to exhaust air mass flow

2) Can be determined from the bypass air mass flow and the HP compressor mass flow

This question has been flagged as being in an exam by multiple students, give it more attention

A

1) is correct, 2) is incorrect

B

1) is correct, 2) is correct

C

1) is incorrect, 2) is correct

D

1) is incorrect, 2) is incorrect
20/30
Question ID: 107785

In which locations are smoke detectors fitted in an aircraft?

Select 3 options from the below:

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A

Cargo Compartment

B

Crew Rest Area

C

APU

D

Engines

E

Toilets
21/30
Question ID: 110356

A turbine stage is represented by?

This question has been flagged as being in an exam by multiple students, give it more attention

A

Figure 4

B

Figure 1

C

Figure 3

D

Figure 2
22/30
Question ID: 107764

If a gas-filled fire detector becomes broken, the result will be?

This question has been flagged as being in an exam by multiple students, give it more attention

A

A decrease in pressure, causing a fire warning

B

A decrease in pressure, causing a loop fault indication

C

An increase in pressure, causing a loop fault indication

D

An increase in pressure, causing a fire warning
23/30
Question ID: 109400

Which of the following is a risk associated with Lithium batteries?

This question has been flagged as being in an exam by multiple students, give it more attention

A

Release of flammable gases when they are charged at too high of a rate

B

A short-circuit when the electrolyte comes into contact with earth

C

Release of flammable gases when they are discharged at too high of a rate

D

A short-circuit when the electrolyte comes into contact with the electrodes
24/30
Question ID: 107883

Which statement is correct?

1) The freezing point for Jet A is at a lower temperature than that for Jet B.

2) The flash point for Jet A is at about the same temperature as that for Jet B.

This question has been flagged as being in an exam by multiple students, give it more attention

A

1) is incorrect, 2) is correct

B

1) is correct, 2) is incorrect

C

1) is incorrect, 2) is incorrect

D

1) is correct, 2) is correct
25/30
Question ID: 107854

The cabin pressure is regulated by the?

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A

Air cycle machine

B

Outflow valve

C

Air-conditioning pack

D

Cabin airflow inlet valve
26/30
Question ID: 110508

Which of these statements about a reaction turbine are correct or incorrect?

1) The pressure remains constant across the nozzle guide vanes

2) The pressure rises across the rotor blades

This question has been flagged as being in an exam by multiple students, give it more attention

A

1) is correct, 2) is incorrect

B

1) is incorrect, 2) is correct

C

1) is incorrect, 2) is incorrect

D

1) is correct, 2) is correct
27/30
Question ID: 110920

During take-off, the fan in a high by-pass ratio turbofan engine produces?

This question has been flagged as being in an exam by multiple students, give it more attention

A

The lesser part of the thrust

B

All the thrust

C

The greater part of the thrust

D

Half the thrust
28/30
Question ID: 110805

Flat rated jet engines are designed to provide constant maximum take-off thrust up to a certain level of?

This question has been flagged as being in an exam by multiple students, give it more attention

A

Ambient temperature

B

Pressure altitude

C

Ambient pressure

D

Engine pressure ratio
29/30
Question ID: 110922

About a twin spool compressor in a gas turbine engine?

This question has been flagged as being in an exam by multiple students, give it more attention

A

When operating at very high RPM, the later stages within the high pressure spool will have a large negative angle of attack

B

The low pressure spool runs at a very high RPM, thus preventing the onset of compressor stall

C

The low pressure spool runs at a lower RPM than the high pressure spool

D

Both spools run at the same RPM
30/30
Question ID: 110360

Which of these statements about an impulse turbine are correct or incorrect?

1) The pressure rises across the nozzle guide vanes

2) The pressure remains constant across the rotor blades

This question has been flagged as being in an exam by multiple students, give it more attention

A

1) is incorrect, 2) is correct

B

1) is incorrect, 2) is incorrect

C

1) is correct, 2) is incorrect

D

1) is correct, 2) is correct
Finish Test
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