A320: Electrics | Quiz - Pilot George, L3 Airline Academy (CTC Aviation) Cadet Blog

While I have tried to ensure the information in this quiz is accurate, it is your own responsibility to check it against your airline / manufacturer manuals. With that said, if you spot any obvious errors then please let me know the question number and I'll aim to put it right!

Q13342 What causes the RAT to Auto-Extend?

Loss of AC Bus One & AC Bus Two and airspeed is > 100kts

Loss of AC Bus One.

Loss of AC Bus Two.

Loss of BLUE Hydraulic pressure and airspeed is greater than 100 knots.

Correct!

Incorrect!

Q13346 What does the BUS TIE Pushbutton do when Selected OFF?

Isolates both sides of the electrical system.

Nothing happens on the ground.

Aircraft reverts to battery power.

Isolates both sides of the electrical system. APU / Ground Power are not available.

Correct!

Incorrect!

Q13349 How is GEN 1 switched OFF in the Smoke CONFIG?

Master Switch to OFF.

The GEN remains operationa and the GEN contact Is closed. Fuel pumps remain powered.

Automatically.

The GEN remains operational, but the GEN contact is closed. Fuel pumps on the left hand side are lost.

Correct!

Incorrect!

Q13336 Max APU KVA?

Correct!

Incorrect!

Q13334 How does the APU Generator differ from the Engine Generators?

It provides a different KVA.

It can power both sides of the electrical system.

It can only supply the left side of the aircraft.

It doesn't.

Correct!

Incorrect!

Q13339 What can Supply AC ESS Bus?

Batteries via Static Inverter

Emrgency Generator

AC Bus One & AC Bus Two

AC Bus One, AC Bus Two, Emergency Generator, Batteries via Static Inverter

Correct!

Incorrect!

Q13351 What is the Minimum Battery Volts at the Start of the day?

24.5V

27.5V

26.5V

25.5V

Correct!

Incorrect!

Q13350 From the Electrical SD, how can you tell that the Batteries are being Charged?

Arrowheads pointing out of the batteries to the DC Bat Bus and current greater than 1A in Amber.

Arrowheads pointing towards the batteries from the DC Bat Bus and current greater than 1A Green.

They become amber boxed

Arrowheads pointing towards the batteries from the DC Bat Bus and current greater than 1A Amber.

Correct!

Incorrect!

Q13343 If the RAT Fails to Auto-extend, what should you do?

Push the MAN ON (guarded) push button

Panic.

Push the RAT MAN ON (guarded) pb

Increase airspeed above 100 kts

Correct!

Incorrect!

Q13337 What Drives the Emergency Generator?

YELLOW Hydraulic System

GREEN Hydraulic System

BLUE Hydraulic system

RAT

Correct!

Incorrect!

Q13348 If TR 1 fails what Supplies the DC. ESS. BUS?

The Batteries.

The ESS TR via the AC Essential Bus.

The TR on the opposide side of the system.

The ESS TR via AC Bus Two.

Correct!

Incorrect!

Q13353 How long (approx.) does it take to Charge the Batteries?

25 minutes

18 minutes

15 minutes

20 minutes

Correct!

Incorrect!

Q13354 When in flight, is it permissible to reset a tripped CCT breaker?

At captain's discretion

QRH only.

As dictated by QRH only

No it is not.

Correct!

Incorrect!

Q13341 Can the APU be started on battery power in-flight?

No battery power is not sufficient.

Yes, APU starting is available throughout its entire envelope.

Yes, but only below 25,000ft

Yes, only if voltage is greater 26.5V

Correct!

Incorrect!

Q13345 How is an IDG Disconnected?

Pressing the guarded bus button for no more than 3 seconds. The engine does not need to be running.

Pressing the guarded bus button for more than 3 seconds. The engine does not need to be running.

Pressing the guarded bus button for no more than 3 seconds. The engine must be running/windmilling.

Pressing the guarded bus button for more than 3 seconds. The engine must be running/windmilling.

Correct!

Incorrect!

Quiz: A320: Electrics