11.5

Question 1

What clock is used in a GPS satellite?

Answer 1

Atomic

Question 2

In a GPS system what type of clock is in the receiver?

Answer 2

Quartz

Question 3

What is mode 1 and 2 of GPWS used for?

Answer 3

Excessive descent rate and excessive terrain closure

Question 4

IRS laser gyro is what type of gyro?

Answer 4

Rate gyro

Question 5

A HF coupling is used to match the?

Answer 5

Aerial

Question 6

Coriolis effect is corrected for by?

Answer 6

Adding a correction term to the accelerometer outputs

Question 7

FMCS utilises:

Answer 7

ILS, DME & ADC

Question 8

FM improvements effect what systems?

Answer 8

VHF, VOR & ILS

Question 9

FMC auto tunes?

Answer 9

VOR & DME

Question 10

What type of gyroscope is housed within an attitude indicator?

Answer 10

Displacement gyroscope

Question 11

What kind of gyro is a rate gyro?

Answer 11

Tied down

Question 12

What is the purpose of the hairspring in a Bourdon tube pressure gauge?

Answer 12

To reduce backlash

Question 13

What errors are direct reading compasses subject to?

Answer 13

Acceleration and turning errors

Question 14

TAS computed from IAS takes into account?

Answer 14

Temperature and altitude

Question 15

TAS in an ADC is a function of?

Answer 15

Mach number and temperature

Question 16

The directional gyro is checked every 15 minutes for?

Answer 16

Drift

Question 17

The capsule in an altimeter responds to?

Answer 17

Absolute pressure

Question 18

One atmosphere is?

Answer 18

760 mm.hg

Question 19

A laser gyro gives?

Answer 19

Rate of angular displacement

Question 20

A standby air supply for gyro operation could be obtained from?

Answer 20

A Venturi

Question 21

An altimeter in a pressurised aircraft at altitude has a case leak. The altimeter will?

Answer 21

Under read

Question 22

Gauge pressure as indicated on a direct reading Bourdon tube pressure gauge is equal to?

Answer 22

Absolute pressure minus atmospheric pressure

Question 23

In a directional gyro, the inner/outer gimbal is corrected to?

Answer 23

15 sine latitude

Question 24

What is a necessary requirement with respect to a direction indicator?

Answer 24

It must be manually realigned with the magnetic heading periodically

Question 25

What happens to an Altimeter capsule during decent?

Answer 25

Capsule compresses

Question 26

What happens to the altimeter case during a climb?

Answer 26

The capsule expands

Question 27

GPS receiver navigation message frequency is?

Answer 27

50Hz

Question 28

In a servo loop, an LVDT provides?

Answer 28

Position feedback

Question 29

In an IN system, the output of the accelerometer is linear because of a?

Answer 29

Force balance system

Question 30

Primary radar is?

Answer 30

Reflected signal from aircrafts own radar

Question 31

Radar altimeter uses what frequency?

Answer 31

4000MHz

Question 32

Random precession of the inner gimbal ring is detected by placing mercury switches where?

Answer 32

On inner gimbal ring

Question 33

Restrictions to the use of hand held microphones apply to?

Answer 33

Transport category aircraft only

Question 34

Static dischargers help eliminate static electricity at what current levels? High or low?

Answer 34

Low current levels

Question 35

The crab angle of the aircraft during VOR or LOC modes is displayed by the?

Answer 35

Difference between the course arrow and aircraft heading

Question 36

When the inertial platform is torqued to perform like a Schuler pendulum, how does the platform oscillate?

Answer 36

The platform oscillates with respect to the local vertical

Question 37

DME frequency range

Answer 37

960MHz - 1216MHz

Question 38

In a CADC system, mach information is derived from?

Answer 38

IAS and altitude

Question 39

When a force is applied to a horizontal gyro, the precession of the rotor will continue until?

Answer 39

Plane of rotation is in line with the plane of applied force

Question 40

DME uses which frequency band?

Answer 40

UHF

Question 41

Which warning mode of the GPWS provides only an audio warning?

Answer 41

Mode 6

Question 42

What is the purpose of an attitude director?

Answer 42

To provide the pilot with fly-to-cues to simplify navigation

Question 43

If a micro adjuster is replaced in a compass system, you would?

Answer 43

Carry out a new compass swing

Question 44

Basic T layout:

Answer 44

Airspeed, ASI , Altimeter HSI

Question 45

If rate feedback in a flight director goes open circuit, position feedback will?

Answer 45

Oscillate

Question 46

Random drift of a gyro is caused by?

Answer 46

Unbalance and bearing friction in the gyro

Question 47

Radio communications are typically?

Answer 47

Half duplex

Question 48

The rate of turn information from a turn coordinator (compared to a turn and slip) is?

Answer 48

More instantaneous

Question 49

Autopilot clutches are energised?

Answer 49

On

Question 50

A gyroscope having one plane of freedom at right angle to the plane of rotation, and its gimbal restrained either electrically or by a spring, is known as?

Answer 50

A rate gyro

Question 51

In a 28v AC ratio meter pressure indicating system pointer position is determined by?

Answer 51

The difference between two currents in the indicator field windings

Question 52

What has a hyperbolic curve?

Answer 52

Loran C, Decca & Omega

Question 53

The decision height light will illuminate when?

Answer 53

The aircrafts indicated altitude is below decision height

Question 54

Autopilot PFCU servo brake is

Answer 54

Energised off

Question 55

The rate of precession of a gyro is?

Answer 55

Inversely proportional to speed and directly proportional to torque

Question 56

Frequency for glide slope tone

Answer 56

150hz below 90hz above

Question 57

Frequency for a localiser tone

Answer 57

150hz Right side 90hz left side