Alphabet

Question 1

A

Answer 1

Preceding: Approach; Automatic; Relay Contact - Arm

Apparatus: Axle Counter

Question 2

B

Answer 2

Preceding: Block; Bolt; Relay Contact - Back

Apparatus: Block Instrument

Question 3

C

Answer 3

Preceding: Checking or Proving

Apparatus: Contact

Question 4

D

Answer 4

Preceding: Clear (Green); Decoding; Relay Contact - De-energised

Question 5

E

Answer 5

Preceding: Light; Lamp; Heat (Externally applied); Emergency; Earth

Apparatus: Light; Lamp; Earth

Question 6

F

Answer 6

Preceding: Fog; Flashing; Feed; Relay Contact - Front

Apparatus: Detonator Placers

Question 7

f

Answer 7

Preceding: Frequency

Apparatus: Fuse

Question 8

G

Answer 8

Preceding: Signal

Apparatus: Signal apparatus

Question 9

H

Answer 9

Preceding: Caution (Yellow)

Apparatus: Capacitor

Question 10

HH

Answer 10

Preceding: Preliminary Caution (Double Yellow)

Question 11

I

Answer 11

Preceding: AWS

Apparatus: Inductor

Question 12

J

Answer 12

Preceding: Time (delayed action)

Apparatus: Rectifier; Diode

Question 13

K

Answer 13

Preceding: Indicating or Detecting

Apparatus: Indicator electro-mechanical

Question 14

L

Answer 14

Preceding: Locking; Left

Apparatus: Lock

Question 15

M

Answer 15

Preceding: Marker; Magnetic

Apparatus: Motor

Question 16

N

Answer 16

Preceding: Normal

Apparatus: Release; Hand Operated Switch; Push Button or Key

Question 17

O

Answer 17

Preceding: Retarding

Apparatus: Resistor; Heater

Question 18

P

Answer 18

Preceding: Repeating

Apparatus: Lever latch or Trigger

Question 19

Q

Answer 19

Preceding: Treadle or Bar

Apparatus: Local coil of a Double Element Relay; Treadle or Bar

Question 20

R

Answer 20

Preceding: Reverse; Right; Danger (Red)

Question 21

Rx

Answer 21

Preceding: Receiver

Question 22

S

Answer 22

Preceding: Stick

Question 23

T

Answer 23

Preceding: Track Circuit

Apparatus: Transformers

Question 24

Tx

t

Answer 24

Preceding (Tx): Transmitting

Apparatus (t): Terminal

Question 25

U

Answer 25

Preceding: Route

Apparatus: Unit

Question 26

V

Answer 26

Preceding: Train stop (including TPWS)

Apparatus: Train stop (including TPWS apparatus)

Question 27

W

Answer 27

Preceding: Points

Apparatus: Point Operating Apparatus

Question 28

X

Answer 28

Preceding: Audible annunciator; Level crossing; Wrong direction

Apparatus: Audible annunciator (bell, buzzer, horn, etc.)

Question 29

Y

Answer 29

Preceding: Slotting or Disengaging

Apparatus: Slotting or Disengaging apparatus

Question 30

Z

Answer 30

Preceding: Special

Apparatus: Special unit