Chapter A12 - Electronic Flight Instrument Systems

Question 1

Where to find an advisory message?

with efis - ____
without - ____

Answer 1

• ECAM
• CREW WARN SYSTEM

Question 2

LOW PRESSURE = _______ (they sense differential pressure, manifold air pressure etc.)

MEDIUM PRESSURE = _____ (they sense LP Booster pump, a gas turbine’s intake pressure etc.)

HIGH PRESSURE = ______ (they sense engine oil pressure, hydraulic systems’ pressure, oxygen bottle pressure etc.)

Answer 2

• Aneroid Capsule
• Bellow
• Bourdon

Question 3

Fuel Quantity measuring system

Capacitance type=
Float type =

Answer 3

• mass
• volume

Question 4

What are the three types of tachometers?

Answer 4

electrical, electronic, mechanical

Question 5

Tachometer measures?
Torque meter measures?

Answer 5

• angular speed
• angular moment

Question 6

Engine Pressure Ratio EPR =

Answer 6

turbine outlet / compressor inlet

Question 7

Torque meter questions:
- Oil –> ____
- Electric –> _____
- Electronic –> ____

Answer 7

• “Helix”
• “Rotation/Turning”
• “Twist”

Question 8

TORQUE = ______ POWER = _______

Answer 8

TORQUE = FORCE X LEVER ARM; POWER = TORQUE X RPM

Question 9

Synchroscope: Frequency or Speed and helps to reduce Noise , NOT ______

Answer 9

• fuel consumption

Question 10

Vibration indicator does not have any?

Answer 10

Units

Question 11

O = _____

// = _____

Answer 11

• off-route airport.
• destination airport / departure airport.

Question 12

1 - Expanded Rose (with ILS frequency)
2 - Plan
3 - MAP
4 - Expanded Rose (with VOR frequency)

How do you know?
1 - Expanded Rose - _____
2 - Plan - ______
3 - MAP - ______
4 - Expanded Rose - _____

Answer 12

• Top centre is heading and bottom left ILS frequency
• Always orientated to True North
• Top centre is track
• Top centre is heading and bottom left VOR frequency

Question 13

EASA - RLS - Light sensor is a photodiode that measures ____ conditions

Answer 13

• ambient light

Question 14

What does the remote light sensor do?

Answer 14

Auto dim the panels depending on the light in the cockpit

Question 15

Switching of displays can happen on the?

Answer 15

EFIS control panel

Question 16

Critical speeds are overlaid onto the?

Answer 16

Speed Tape

Question 17

Min flap retraction speeds shown as green?

Answer 17

F

Question 18

Expanded is ____

Answer 18

90 Deg

Question 19

In full VOR mode it displays?

Answer 19

360 Deg emulate the EHSI

Question 20

VOR one dot is ?

Answer 20

5 deg

Question 21

ILS one dot is?

Answer 21

1.25 deg

Question 22

Weather Radar Colouring

Black:
Green:
Yellow:
Red:
Magenta:

Answer 22

Weather Radar Colouring

Black: 0-1 mm/h
Green: 1-4 mm/h
Yellow: 4-12 mm/h
Red: 12-50 mm/h
Magenta: 50 + mm/h