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Module 11B > 11.5 Instruments/Avionic Systems MCQ's > Flashcards

11.5 Instruments/Avionic Systems MCQ's Flashcards

1
Q
  1. Autopilot servo brake is energised.
    Option A. to actuate on.
    Option B. at the same time as the clutch.
    Option C. to actuate off.
A

Correct Answer is. to actuate off.

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2
Q

Which category are hand mikes considered essential?.
Option A. Aerial work aircraft.
Option B. Light aircraft.
Option C. Heavy passenger aircraft.

A

Correct Answer is. Light aircraft.

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3
Q

Emergency frequency is.
Option A. 125.5 Hz.
Option B. 121.5 Hz.
Option C. 123.5 Hz.

A

Correct Answer is. 121.5 Hz.

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4
Q

121.5 MHz is what frequency?.
Option A. ILS.
Option B. VOR.
Option C. VHF.

A

Correct Answer is. VHF.
Explanation. 118-137 MHz is VHF frequency.

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5
Q

112.1 MHz is what frequency?.
Option A. VHF.
Option B. ILS.
Option C. VOR.

A

Correct Answer is. VOR.
Explanation. 112-118 MHz is VOR frequency. Less than 112 MHz odd decimals are ILS.

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6
Q

On a fibreglass aerial, what paint should be used?.
Option A. Cellulose only.
Option B. Not cellulose.
Option C. Polyurethane.

A

Correct Answer is. Not cellulose.

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7
Q

When painting a neoprene coated radio antenna.
Option A. use any paint.
Option B. use cellulose paint.
Option C. do not use cellulose paint.

A

Correct Answer is. do not use cellulose paint.

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8
Q

How many axis does the aircraft autopilot control?.
Option A. Four.
Option B. Three.
Option C. Two.

A

Correct Answer is. Three.

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9
Q

ILS marker beacon lights are.
Option A. blue, amber, white.
Option B. blue, white, green.
Option C. green, blue, amber.

A

Correct Answer is. blue, amber, white.

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10
Q

111.1 MHz is.
Option A. a VOR frequency.
Option B. an ILS frequency.
Option C. a HF frequency.

A

Correct Answer is. an ILS frequency.

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11
Q

An autopilot PFCU servo brake is.
Option A. energised on.
Option B. energised at the same time as the clutch.
Option C. energised off.

A

Correct Answer is. energised off.

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12
Q

The aviation distress frequency is.
Option A. 121.5 kHZ.
Option B. 122.5 MHz.
Option C. 121.5 MHz.

A

Correct Answer is. 121.5 MHz.

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13
Q

A radar altimeter in track mode is effective to.
Option A. 100 ft.
Option B. 2500 ft.
Option C. 2000 ft.

A

Correct Answer is. 2500 ft.

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14
Q

112.1 MHz is.
Option A. an ILS frequency.
Option B. an ADF frequency.
Option C. a VOR frequency.

A

Correct Answer is. a VOR frequency.
Explanation. 112 - 118 MHz are VOR frequencies.

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15
Q

What does a Decca Navigation system operate on?.
Option A. Very High Frequency.
Option B. Low Frequency.
Option C. High Frequency.

A

Correct Answer is. Low Frequency.
Explanation. Decca navigation is low frequency.

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16
Q

Which of the following has an hyperbolic curve?.
Option A. VOR.
Option B. DME.
Option C. Loran C.

A

Correct Answer is. Loran C.

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17
Q

Which of the following has an hyperbolic curve?.
Option A. VOR.
Option B. DME.
Option C. Loran C.

A

Correct Answer is. Loran C.

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18
Q

A GPS satellite will come into view.
Option A. 20° above the horizon with respect to the viewer.
Option B. 15° above the horizon with respect to the viewer.
Option C. 10° above the horizon with respect to the viewer.

A

Correct Answer is. 15° above the horizon with respect to the viewer.
Explanation. Elevation mask’ is 15 degrees.

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19
Q

Restrictions to the use of hand held microphones apply to.
Option A. transport category aircraft only.
Option B. private aircraft.
Option C. aerial work and transport category aircraft.

A

Correct Answer is. transport category aircraft only.

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20
Q

The purpose of the clutch in an autothrottle servo is.
Option A. to allow the pilot to override.
Option B. to limit the range of control movement.
Option C. to protect the servo motor in the event of inadvertent runaway.

A

Correct Answer is. to allow the pilot to override

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21
Q

Track mode of an RA is operational.
Option A. from 0 to 2,500 feet.
Option B. from 1.0 to 100 feet.
Option C. above 10,000 feet.

A

Correct Answer is. from 0 to 2,500 feet.

22
Q

How many aerials are there in a TCAS system?.
Option A. 1.
Option B. 3.
Option C. 2.

A

Correct Answer is. 2.

23
Q

Wavelength of band radar is.
Option A. 3 cm.
Option B. 5 cm.
Option C. 10 m.

A

Correct Answer is. 3 cm.

24
Q

Precipitation static is caused by.
Option A. lightning strikes.
Option B. HF radiation.
Option C. skin to air particle collisions.

A

Correct Answer is. skin to air particle collisions.

25
Q

HF aerials have weak points designed at.
Option A. both ends.
Option B. the front end.
Option C. the back end.

A

Correct Answer is. the back end.

26
Q

What is the reply frequency of an aircraft transponder?.
Option A. 1000 MHz.
Option B. 1030 MHz.
Option C. 1090 MHz.

A

Correct Answer is. 1090 MHz.

27
Q

CAT 2 RVR limit is.
Option A. 1200 ft.
Option B. 1000 ft.
Option C. 10,000 ft.

A

Correct Answer is. 1200 ft.
Explanation. CAT II ILS Runway Visual Range (RVR) is ‘not less than 1200ft’

28
Q

With autopilot engaged, which control surface is inhibited?.
Option A. THS.
Option B. Elevators.
Option C. Ailerons.

A

Correct Answer is. THS.

29
Q

When flaps are lowered, the automatic trim system will.
Option A. angle of incidence remains the same.
Option B. increase the angle of incidence of the THS.
Option C. decrease the angle of incidence of the THS.

A

Correct Answer is. decrease the angle of incidence of the THS.

30
Q

In autopilot, the control column.
Option A. does not move.
Option B. moves in pitch.
Option C. moves in pitch and roll.

A

Correct Answer is. moves in pitch and roll.
This is assuming it is a non-fly-by-wire aircraft.

31
Q

A hyperbolic system is.
Option A. VOR.
Option B. LORAN C.
Option C. ILS.

A

Correct Answer is. LORAN C.

32
Q

When is autothrottle disengaged?.
Option A. On landing.
Option B. After thrust reverser has deployed beyond 90% so that TO/GA can be selected in case of emergency.
Option C. On selection of thrust reverse.

A

Correct Answer is. On selection of thrust reverse.

33
Q

In aircraft with an autopilot and an auto trim, a pitch command input will cause.
Option A. column will not move and trim system will move.
Option B. column to move but trim system not to move.
Option C. column to move and trim system to move.

A

Correct Answer is. column to move and trim system to move

34
Q

In regard to the aircraft transponder, what is the pulse frequency?.
Option A. Number of pulses per signal.
Option B. Amount of times interrogating signal is sent per second.
Option C. Amount of times reply signal is sent per second.

A

Correct Answer is. Amount of times reply signal is sent per second.

35
Q

CAT 2 RVR limit is.
Option A. 400 m.
Option B. 200 m.
Option C. 800 m.

A

Correct Answer is. 400 m.
Explanation. CAT II ILS Runway Visual Range (RVR) is ‘not less than 1200ft’. 1200 ft = 400m

36
Q

How many programs can a FMC store?.
Option A. One current.
Option B. Two. Both active.
Option C. Two. One active and one standby.

A

Correct Answer is. Two. One active and one standby.

37
Q

EPR and speed for autothrottle is activated at.
Option A. take off.
Option B. approach.
Option C. cruise.

A

Correct Answer is. take off.

38
Q

How does an IRS calculate velocity?.
Option A. Integration of accelerometers.
Option B. Differentiation of laser gyro.
Option C. Double integration of accelerometers.

A

Correct Answer is. Integration of accelerometers.

39
Q

In an autopilot, what controls pitch mode?.
Option A. Glideslope.
Option B. VOR.
Option C. Localizer.

A

Correct Answer is. Glideslope

40
Q

Glideslope controls autopilot in.
Option A. yaw.
Option B. roll.
Option C. pitch.

A

Correct Answer is. pitch.

41
Q

Static dischargers help eliminate radio interference by dissipating static electricity into the atmosphere at.
Option A. all voltage levels.
Option B. low current levels.
Option C. high voltage levels.

A

Correct Answer is. low current levels.

42
Q

What is B-RNAV?.
Option A. Indicates true airspeed.
Option B. Indicates bearing and airspeed until next active waypoint.
Option C. Ability to store 6 waypoints.

A

Correct Answer is. Indicates bearing and airspeed until next active waypoint.

43
Q

An Automatic Flight Control System receives inputs from the following ground based transmitters.
Option A. DME, ILS, ADF.
Option B. VOR, ILS.
Option C. RA, ADF, ILS.

A

Correct Answer is. VOR, ILS.
Explanation. An AFCS uses VOR and ILS (RA is not ground based).

44
Q

What is the wavelength of C band radar?.
Option A. 17 m.
Option B. 3 cm.
Option C. 7 cm.
.

A

Correct Answer is. 7 cm.
Explanation. C Band is 4 - 8 cm. Most aircraft systems use about 5.6cm

45
Q

What is primary radar?.
Option A. Radar that sends out pulse and receives reflected pulse.
Option B. Land based.
Option C. Radar that gives height and position.

A

Correct Answer is. Radar that sends out pulse and receives reflected pulse.

46
Q

What is ILS marker beacon frequency?.
Option A. 75 MHz.
Option B. 100 MHz.
Option C. 50 MHz.

A

Correct Answer is. 75 MHz.

47
Q

TCAS is selected.
Option A. by a switch, by pilot on selector panel.
Option B. automatically.
Option C. not available in cruise.

A

Correct Answer is. by a switch, by pilot on selector panel.

48
Q

The manual VOR input is for.
Option A. glideslope.
Option B. course deviation bar.
Option C. RMI.

A

Correct Answer is. course deviation bar.

49
Q

The mach trim is initiated by.
Option A. an electric motor.
Option B. the autopilot motor.
Option C. a PCU.

A

Correct Answer is. the autopilot motor.

50
Q

What is the colour of the middle marker beacon?.
Option A. Amber.
Option B. Blue.
Option C. White.

A

Correct Answer is. Amber.

51
Q

A GPS system is formed from.
Option A. receiver, processing unit, interactive console.
Option B. satellites, processing unit, display unit.
Option C. space, control, user.

A

Correct Answer is. space, control, user.

Module 11B (42 decks)

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