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!

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

15 minutes

20 minutes

25 minutes

18 minutes

Correct!

Incorrect!

Q13340 On Battery Power only (in flight), which Busses are supplied?

Hot Buses only.

DC Essential, AC Essential via Static Inverter, Hot Buses.

DC Essential, AC Essential via Type Rectifier, Hot Buses.

AC Bus One & Two

Correct!

Incorrect!

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

Increase airspeed above 100 kts

Push the MAN ON (guarded) push button

Panic.

Push the RAT MAN ON (guarded) pb

Correct!

Incorrect!

Q13352 The Battery Volts check requires which Switch(es) to be OFF?

Bat 1 pushbutton

Bat 1 & 2 pushbuttons

At least 1 battery pushbutton

Bat 2 pushbutton

Correct!

Incorrect!

Q13344 Which Busses are Supplied by the EMER GEN?

DC Essential Bus, AC Essential Bus, DC Ess Shed, AC Ess Shed

DC Essential Bus & AC Essential Bus

DC Essential bus only

AC Essential bus only.

Correct!

Incorrect!

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

The Batteries.

The TR on the opposide side of the system.

The ESS TR via AC Bus Two.

The ESS TR via the AC Essential Bus.

Correct!

Incorrect!

Q13337 What Drives the Emergency Generator?

RAT

BLUE Hydraulic system

GREEN Hydraulic System

YELLOW Hydraulic System

Correct!

Incorrect!

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

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

Isolates both sides of the electrical system.

Nothing happens on the ground.

Aircraft reverts to battery power.

Correct!

Incorrect!

Q13336 Max APU KVA?

Correct!

Incorrect!

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

At captain's discretion

As dictated by QRH only

QRH only.

No it is not.

Correct!

Incorrect!

Q13338 Max Emergency Generator KVA?

Correct!

Incorrect!

Q13342 What causes the RAT to Auto-Extend?

Loss of AC Bus Two.

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

Loss of AC Bus One.

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

Correct!

Incorrect!

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

Yes, APU starting is available throughout its entire envelope.

Yes, only if voltage is greater 26.5V

No battery power is not sufficient.

Yes, but only below 25,000ft

Correct!

Incorrect!

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

26.5V

25.5V

24.5V

27.5V

Correct!

Incorrect!

Q13347 AVAIL (green) on the EXT PWR Pushbutton means what?

External power is plugged in and parameters are normal.

External power is plugged in.

The ground crew are able to connect a ground power unit.

External power may be available, although it is not in use as parameters are not normal.

Correct!

Incorrect!

Quiz: A320: Electrics