問題一覧
1
What do these mean
Stop as they are 2 horizontal lights even if white. Used for shunting
2
How do you know when junction indicator is defective
2 or less lights lit
3
Authorised to pass a signal at danger reasons. Always hear it from driver
Shunting, Examining the line, Evacuating passengers, Ahead of signal, Single line working, Pilot working, Assisting failed train, Defective signal, Temporary block working, Emergency special working
4
What is this sign and what is it telling you
Track circuit plate. Signaller knows train is present as small current goes through the track. Wouldnt need TCOCs in theory but err on side of caution and put them down
5
What are these indicators and what do they mean
Junction indicator, Set of white light indicates route , No lights will be lit for main route
6
Rule of signalling
One train, One section at, One time
7
Bell buzzer code 3-3
TM and driver speak
8
Bell buzzer code 2
Ready to start
9
Class 0
Light locomotive, tbird not rescuing
10
What is the braking distance
Distant signal to the home signal
11
Bell buzzer code 1
Stop
12
What type of signal is this and how is it controlled?
Semi automatic signal. Controlled by either signal box or passage of trains
13
What is a section
A section of track is between 2 stop signals
14
What does this mean?
Signal not in use. Black bag white cross
15
What are these and what do they do
Banner repeaters. Works in conjunction with main signal in areas with poor sighting. horizontal stop 45 degrees proceed
16
Bell buzzer code 2-2
Do not open doors (Driver and TM speak)
17
What is this signal and what is it telling you
Semaphore distant. Clear/proceed at line speed. All associated stop signals are in clear position. Green if dark
18
What is single line working
When one line of a double becomes blocked. Single line working by pilot allows trains to travel over the other line in either direction at 50 mph max
19
What does this signal aspect mean?
Caution, next signal displaying stop
20
What is this indicator called
Route indicator, Figures or letters above or at the side, Usually found at locations of complex or confusing routes
21
What is permissive block?
Allows more than one train in one section at a time
22
What is temporary block working?
Driver authorised to pass 2 or more signals at danger, Sometimes during track circuit failures, Allows train to pass multiple damgers without signallers permission , Hand signaller in attendance supervising, Forms must be completed, 50 mph limit
23
What is Emergency special working ESW
ESW uses direct contact between driver and signallers. No hand signallers, Uses GSMR to talk to signaller , Same operational principles as TBW
24
What is this signal and what is it telling you
Intermediate block signal. Breaks up the section, allows 2 trains in 1 section
25
What are these and what are they used for
Right away indicator. Lets driver know station work and safety checked complete and train is secure
26
Class 5
Empty coaching stock
27
Class 4,6,7,8
Freight
28
How does an OFF indicator work
Works in conjuction with the signal to which it applies. When signal is cleared the OFF illuminates
29
Class 3
Freight, ECS specially authorised, priority empty morning sets
30
When two diagonal lights are shown Train movement can proceed at ... towards the next... an be prepared to stop...
Caution, Train, stop signal or buffer stop, Short of any train, vehicle or obstruction
31
What type of signal is this and how is it controlled?
Controlled signal. Operated by signal box or ground frame. White plate black writing or black plate white writing
32
What does this signal aspect mean?
Preliminary caution. Be prepared as next signal displaying cautionary aspect
33
Bell buzzer code 6
Draw forward (forward has more letters than 3, so its 6)
34
What type of signal is this and how is it controlled?
Automatic signal. Controlled by passage of trains. White plate black horizontal line
35
Bell buzzer code 3
Set back (3 letters in set)
36
Where is classification stated
Headcode
37
What is this signal and what is it telling you
Colour light distant signal. Modern semaphore. Identified by black signal post plate showing arrow up. Signal number might also be on it. On caution
38
What is this signal telling you to do
Be prepared to stop at next signal. Horizontal yellow caution
39
What is this signal and what is it telling you
Semaphore stop signal set to proceed. Arm at 45, go. Green light too
40
What does this signal aspect mean?
Stop at danger
41
How are routes identified
123 left 456 right
42
What is this signal called
Semaphore distant
43
Class 2
Ordinary passenger trains
44
What is a block section
Signal from last section to home signal of the next
45
Principles of TCB Track circuit block
Any interruption will set rear to danger, Designed to be fail safe, Fixed signals divide the track into sections, Controlled by the passage of trains
46
What is this signal and what is it telling you
Semaphore stop signal. Red rectangular arm. Horizontal = stop as does red light
47
Class 9
Highest priority. Class 373 eurostars, or any train specifically authorised such as royal train
48
How are Track Circuit Block TCB signals controlled
Controlled by the passage of trains. Presence of train activates track circuit. Places rear signal in red when activated. TCB is defined as a line that is continuously track circuited throughout
49
Bell buzzer code 9
Police assistance required
50
Why do trains have different classifications
Gives signaller priority order
51
Rule and definition of absolute block signalling
One train in, One section at, One time
52
Class 1
Express passenger train or rescue loco TBird
53
What is this called
Position light signal
54
What does this signal mean
Proceed with caution as its a raised 45 degrees not horizontal
55
Why do we have signals
Provides space between trains, Stop conflicting movements, Tells us if line ahead is occupied
56
Bell buzzer code 4
Slow down
57
What is station limits
Home to section signal
58
What is this signal and what is it telling you
Fixed distant signal. Next signal will always be at danger. Be prepared to stop
59
What does this signal aspect mean?
Proceed/clear