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A319/320/321 Aircraft Systems Quiz

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Questions and Answers

Which light illuminates on the air conditioning panel when there is a hot air 'fault'?

Zone controller light

Hot air press reg. valve light

Fault light (correct)

Pack outlet temperature light

What temperatures are maintained by pack 1 and pack 2 in case of zone controller primary and secondary channel failure?

Pack 1 maintains high temperature and pack 2 maintains high temperature

Pack 1 maintains low temperature and pack 2 maintains low temperature (correct)

Pack 1 maintains low temperature and pack 2 maintains high temperature

Pack 1 maintains high temperature and pack 2 maintains low temperature

What happens when the hot air press reg. valve fails open?

Back up mode is lost

Pack is lost

No effect

No effect on pack regulation (correct)

What happens when the pack controllers experience primary and secondary channel failure?

<p>The secondary computer operates as a back up mode and regulation is not optimized</p> Signup and view all the answers

When does the pack controllers experience secondary channel failure?

<p>When press is greater than 1 PSI diff</p> Signup and view all the answers

Study Notes

Air Conditioning Fault Indicators

The "Hot Air" light on the air conditioning panel illuminates when there is a hot air fault.

Pack Temperature Maintenance

In case of zone controller primary and secondary channel failure, Pack 1 and Pack 2 maintain temperatures of:
- Pack 1: Zone temperature
- Pack 2: Cooler temperature

Hot Air Press Reg. Valve Failure

When the hot air press reg. valve fails open, the air conditioning system:
- Relieves excess pressure
- Prevents damage to the system

Pack Controllers Failure

Primary and secondary channel failure of pack controllers:
- Pack controllers default to setback mode
- Cooler temperature is maintained
Secondary channel failure of pack controllers occurs:
- When the secondary sensor or circuit fails

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Description

Test your knowledge of the A319/320/321 aircraft systems and operational procedures related to air conditioning, pressurization, and ventilation. Learn about hot air fault lights, zone controller failures, pack outlet temperature control, and more.