11.5.2 Class Q’s

Question 1

What are the 3 radio transmitter components

Answer 1

Oscillator
Modulator
Power amplifier

Question 2

What are the 3 receiver components

Answer 2

Amplifier
Tuning circuit
Demodulator

Question 3

What is normal power output and range of VHF system

Answer 3

200nm
25 w

Question 4

At what length is antenna most effective

Answer 4

1/4 wavelength

Question 5

How can antenna be made smaller but remain effective

Answer 5

Use electronic couplers

Question 6

What are connections between transducers and antennae called

Answer 6

Radio frequency lines

Question 7

What are the 2 types of radio frequency lines

Answer 7

Coax
Wave guide

Question 8

What does audio management unit do

Answer 8

Connects all crew audio equipment with radio communication navigation systems

Question 9

How many systems can be set to transmit simultaneously

Answer 9

1

Question 10

What systems are receive selectable only

Answer 10

Navigation systems

Question 11

What does V,R and B position on ACP filter control select

Answer 11

V = voice
R = range
B = both

Question 12

What are the 2 types of ELT

Answer 12

Fixed
Portable

Question 13

How far can ELT BE RECIVED

Answer 13

200 nm

Question 14

How long does ELT internal battery last for

Answer 14

48 hours

Question 15

How many antennas does satcom use

Answer 15

1 top mounted
OR
2 side mounted

Question 16

What frequency does the ILS components work at

Answer 16

75mhz

Question 17

What’s the colour for the ILS markers

Answer 17

Outer marker = blue
Middle marker = amber
Inner marker = white marker

Question 18

What radar has a longer range

Answer 18

Secondary

Question 19

Is a weather radar a primary or secondary system

Answer 19

Primary

Question 20

What is the primary function of modulation in radio communication

Answer 20

To encode information onto the carrier frequency