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SPIRIT AIRLINES - A320 (Updated monthly 2024) > ORAL EXAM QUESTIONS > Flashcards

ORAL EXAM QUESTIONS Flashcards

1
Q

What hydraulic system supplies nose wheel steering?

A

YELLOW

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2
Q

The steering hand wheels can steer the nose wheel up to how much in each direction?

A

+/- 75° from center

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3
Q

When using the rudder pedals for steering, when does the steering angle begin to reduce?

A

Starts reduction at 40 knots and progressively reduces to 0° at 130 knots.

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4
Q

What does the rudder PEDAL DISC button on the steering hand wheel do?

A

Pressing the button removes control of nose wheel steering from the rudder pedals until released.

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5
Q

What would occur if the A/SKID & N/W STRG switch were selected to OFF?

A
  • Nose wheel steering is lost- Anti-skid is deactivated- YELLOW hydraulic system would supply the brakes
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6
Q

What is the minimum battery voltage?

A

25.6V

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7
Q

What would a pilot do if BAT voltage is 25.5 or below on originating preflight?

A

Charge the batteries with external power by selecting BAT PB to AUTO

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8
Q

How long should the batteries be charged?

A

20 minutes, then recheck the voltage

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9
Q

Explain how to conduct the BAT check. What if it fails the test?

A
  • Select ELEC on SD- Turn on BAT 1 & 2 OFF then ON- Check BAT charge current is < 60 amps and decreasing within 10 seconds- If it fails the test, call maintenance
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10
Q

Describe the electrical power system.

A
  • The electrical power system consists of a three-phase 115/200-volt 400- hertz constant frequency AC system and a 28-volt DC- Normally, the system produces alternating current, some of which is then transformed into direct current for certain applications.- Each of the aircraft’s three generators can supply the whole network.- If all normal AC generation is lost, an emergency generator can supply AC power.- If all AC generation is lost, the system can transform DC power from the batteries into AC power.
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11
Q

What would be an expected indication in the GEN pushbuttons prior to engine start?

A

FAULT indication.

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12
Q

If all AC power is lost, what happens?

A

DC power from the batteries is converted into AC.

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13
Q

Define and describe an IDG.

A
  • Integrated Drive Generator- Takes variable engine output and gives a constant output.- A part of the generator system, not the generator itself
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14
Q

How would a pilot disconnect an IDG?

A

Lift the red guard and push the IDG pushbutton, being careful not to hold the pushbutton for longer than three seconds to not shear the shaft.

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15
Q

How would an IDG be reconnected?

A

This cannot be done by the flight crew – it is a maintenance function.

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16
Q

Describe the function of the BUS TIE in AUTO.

A
  • Allows a single source of power to run entire electrical system- Allows connection of the APU GEN or EXT power to system- Inhibits multiple sources connected simultaneously
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17
Q

If GEN 1 fails to supply AC Bus 1, what happens?

A

Gen 2 (or APU GEN if available) powers the system through the bus tie.

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18
Q

How is the AC ESS bus normally powered?

A

From AC bus 1

19
Q

If AC BUS 1 fails, how is the AC ESS bus powered?

A

AC bus 2 automatically feed the AC ESS bus.

20
Q

What indication will be present on the ELEC panel that AC BUS 2 is feeding the AC ESS bus?

A

AC ESS FEED ALTN light illuminated

21
Q

What does a GALLEY fault light indicate?

A

At least one generator load is above 100% rated output.

22
Q

Explain the AUTO function of the GALLEY pushbutton.

A
  • Sheds the main GALLEY if only 1 GEN is available, secondary galley is still available
23
Q

How is the BATTERY BUS normally powered?

A

DC BUS 1 through the DC tie contactor

24
Q

What buses are powered by the EMER GEN?

A
  • AC essential bus- DC essential bus by the essential TR
25
Q

What is the difference of the APU GEN FAULT and the ENG GEN FAULT?

A

Both are indicators of a line contactor open. The difference is that the ENG GEN fault may also indicate a fault detected by the ENG GCU.

26
Q

What does a BAT FAULT light indicate?

A
  • Battery charging current outside limits.

- BAT contactor opens.

27
Q

When are the batteries connected to the battery bus?

A
  • APU start
  • Battery charging
  • AC BUS 1 & 2 not powered and airspeed below 100 knots
28
Q

What hydraulic system supplies nose wheel steering?

A

YELLOW

29
Q

What is the significance of the red FAULT illuminating on the RAT & EMER GEN light?

A

AC BUS 1 and AC BUS 2 are lost and the RAT is not supplying electrical power

30
Q

When would the red FAULT light on the RAT & EMER GEN light normally illuminate?

A

The fault light will illuminate once the RAT is deployed and electrical power is not being supplied (approximately eight seconds)

31
Q

How can the RAT be deployed?

A
  • Manually by pushing MAN ON (EMER ELEC PWR Panel) or RAT MAN ON (HYDRAULIC Panel).
  • Automatically by the loss of both AC BUS 1 and AC BUS 2
32
Q

What is the difference between the automatic RAT deployment and manual RAT deployment by pressing the RAT MAN ON on the HYD panel?

A

RAT MAN ON supplies Blue Hydraulic PSI only, no electrical generation

33
Q

After deploying the RAT by pressing the RAT MAN ON pushbutton on the HYD panel it becomes necessary to also extract electrical power. How can this be accomplished?

A

By pressing the MAN ON pushbutton on the EMER ELEC PWR

34
Q

What does the RAT supply?

A

Blue Hydraulic system and the emergency electrical generator

35
Q

What buses are powered by the emergency electrical generator?

A
  • AC ESS and AC ESS Shed

- DC ESS and DC ESS shed

36
Q

What would cause the GEN 1 LINE SMOKE light to illuminate?

A

Smoke detected in the avionics ventilation ducting

37
Q

Aside from the GEN 1 LINE SMOKE light, what would be other indications of avionics smoke?

A
  • ECAM warning

- Amber FAULT lights in the EXTRACT and BLOWER pushbuttons on the VENTILATION panel.

38
Q

If the ECAM directs a pilot to select GEN 1 LINE PUSHBUTTON to OFF, what will be accomplished?

A
  • GEN 1 line contactor opens (white OFF light illuminates)
  • AC BUS 1 powered by GEN 2 through the Bus Tie Contactor
  • GEN 1 powers one fuel pump directly in each wing tank
39
Q

Where are the engine fire loops installed?

A
  • Pylon nacelle
  • Engine core
  • Fan section
40
Q

What happens if both fire loops fail simultaneously?

A

FIRE warning will be issued (if the failure occurs within 5 seconds)

41
Q

What does an amber DISCH light mean?

A

Bottle has lost its pressure either by a fault or pilot selection

42
Q

How many fire bottles are provided for each engine?

A

2

43
Q

What happens when the ENG FIRE pushbutton is pushed? (9)

A
  • Silences the aural fire warning
  • Arms the squibs
  • Closes the hydraulic fire valve
  • Closes the LP fuel valve
  • Closes the engine fuel return valve after the IDG
  • Deactivates the generator
  • Closes the pack flow control
  • Closes the engine bleed valves
  • Deactivates FADEC
44
Q

What would occur if the APU is running and an APU fire is detected on the ground? In-flight?

A
  • On the ground, APU EMER shut down and bottle discharge

- In the air – no automatic functions

SPIRIT AIRLINES - A320 (Updated monthly 2024) (58 decks)

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