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!

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

25.5V

27.5V

26.5V

24.5V

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 must be running/windmilling.

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.

Correct!

Incorrect!

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

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

External power is plugged in and parameters are normal.

External power is plugged in.

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

Correct!

Incorrect!

Q13338 Max Emergency Generator KVA?

Correct!

Incorrect!

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

AC Bus One & Two

Hot Buses only.

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

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

Correct!

Incorrect!

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

20 minutes

25 minutes

18 minutes

15 minutes

Correct!

Incorrect!

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

Aircraft reverts to battery power.

Isolates both sides of the electrical system.

Nothing happens on the ground.

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

Correct!

Incorrect!

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

Bat 1 & 2 pushbuttons

Bat 1 pushbutton

At least 1 battery pushbutton

Bat 2 pushbutton

Correct!

Incorrect!

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

They become amber boxed

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

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

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

Correct!

Incorrect!

Q13337 What Drives the Emergency Generator?

RAT

GREEN Hydraulic System

YELLOW Hydraulic System

BLUE Hydraulic system

Correct!

Incorrect!

Q13339 What can Supply AC ESS Bus?

Emrgency Generator

Batteries via Static Inverter

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

AC Bus One & AC Bus Two

Correct!

Incorrect!

Q13335 Max Engine KVA?

Correct!

Incorrect!

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

Yes, APU starting is available throughout its entire envelope.

Yes, but only below 25,000ft

Yes, only if voltage is greater 26.5V

No battery power is not sufficient.

Correct!

Incorrect!

Q13342 What causes the RAT to Auto-Extend?

Loss of AC Bus Two.

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

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

Loss of AC Bus One.

Correct!

Incorrect!

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

QRH only.

At captain's discretion

No it is not.

As dictated by QRH only

Correct!

Incorrect!

Quiz: A320: Electrics