Signalling

Question 1

What are the signals in an absolute block

Answer 1

Distance
Home
Section

Question 2

What’s between the distance and the home signal

Answer 2

Service breaking distance

Question 3

What’s between home and section signal

Answer 3

400 m cleaning

Question 4

Green signal

Answer 4

Proceed

Question 5

Yellow signal

Answer 5

Caution

Question 6

Red signal

Answer 6

Danger (stop)

Question 7

SPAD meaning

Answer 7

Signal pass at danger

Question 8

Name the semaphore signals

Answer 8

Danger - stop
Proceed
Distance - caution
Distance - proceed

Question 9

Why would a semaphore signal be black and white ?

Answer 9

Its viewed from the rear

Question 10

Absolute block definition

Answer 10

Ensures that only one train is permitted to enter one section at one time

Question 11

Signal post signage (white diamond) what does it mean ?

Answer 11

Presences of train is indicted by track circuit

Question 12

Intermediate block home signal. Black square with white triangle, what does is mean ?

Answer 12

Distance signal

Question 13

Intermediate block home signal.
White oblong with a black line, what does it mean ?

Answer 13

Stop signal

Question 14

What does a fixed distance signal look like and what does it mean ?

Answer 14

Areas at caution always

Caution signal in white box

Question 15

What does a white diamond on a signal post mean

Answer 15

Presence of train is detected by track circuit

Question 16

What does white diamond shape with a T in mean

Answer 16

Signal post with telephone

Question 17

What is the symbol for a distance signal on an intermediate signal mean

Answer 17

White triangle in a black square

Question 18

What is the symbol on a stop intermediate signal

Answer 18

Black line in white box

Question 19

What are the three overlap distance for aspects 4,3,2

Answer 19

4 aspect 200yards
3 aspect 300yards
2 aspect 440yards

Question 20

The principle of single line track

Answer 20

One train on the single line section at any one time

Question 21

When would you break the single line principle (MAPES)

Answer 21

Modified working
Assisting a faild train
Pilot operating is in place
Engineering possession
Shunting purposes

Question 22

What identifies the pilot operator

Answer 22

Red arm band
White writing saying “pilot”

Question 23

Examples of signalling irregularities

Answer 23

Signal reversion
Signal not displaying correctly
Signal missing or broken
Wrong route offered

Question 24

How many lights can be out before a light indicator has to be treated as a signal irregularity

Answer 24

Any less than 3

Question 25

What will be on a signal to signify its not in use

Answer 25

Black bag with a white cross Semaphore will have a white cross attached to it

Question 26

What does an off indicator mean on a platform

Answer 26

Move off platform route is clear

Question 27

What does BR mean on a ID plate

Answer 27

Banner repeater

Question 28

What does it mean when an ID plate says BR and has the white burger emblem

Answer 28

3 state banner repeater

Question 29

What does a preliminary route indicator look like

Answer 29

Arrow in a box

Question 30

What's it called when two signals show the same signal

Answer 30

Co-acting signals

Question 31

What will be on the ID plate of a a Co-acting signal

Answer 31

CA

Question 32

How to identify a SPAD signal

Answer 32

Blue surrounding 3 lights 2 Flashing / 1 steady ID plate says "SPAD"

Question 33

What is PTI

Answer 33

Platform train interface

Question 34

What area is the PTI

Answer 34

The train, the platform and the overhead wires

Question 35

What is the dispatch corridor

Answer 35

The length the train and the space between it

Question 36

Where must you never dispatch a train from

Answer 36

The front