Week 2 test Flashcards
Before using a manual time release, what must you make sure about the line?
The line is clear
If you need to place the block indicator to line clear again, after it has already been placed to line clear. What occasions can you do this with?
- Testing block instruments
- Testing a signal release by line clear
- Closing a signal box where the section is released by line clear
- A train being cancelled after being accepted
- A shunting movement being complete
If train isn’t going to proceed and cancelling needs to be sent, what are the two positions that the block indicators for the advance signal box can be in, and what must you do before cancelling can be sent?
- Line clear & Train online, put relevant signals to danger
If you receive canceling what must you do?
Acknowledge cancelling (3-5) and block indicator to normal
When the signal is locked by the block, what are they 3 occasions that you must send cancelling before being able to send is line clear again?
- You have not cleared the section signal before block indicator to train online
- You have placed the section signal to danger, after the train has stopped, to allow you to work points on the approach sides of the signal for shunting purposes
- You have replaced the section signal to danger before the train has passed it (either by mistake or in an emergency) in which case you must not send cancelling until the train has stopped
If a sealed realise if provided, when must you only use it?
- IF a leaver working points or FPL is locked by the failure of a track circuit
- At a controlled level crossing barriers are locked down by a failure of a track circuit or by the occupation of a track circuit by a failed train and you have the driver confirmation that the train will not be moved without your authority.
Before using a sealed release, what you must make sure each time?
- It is safe to do so
- That the position of the line is clear and no movement is about to be made over it
IF a train has entered the ABS can you cancel the train?
No
What is the bell code for a train incorrectly described
5-3
If you have sent an incorrect line clear bell code, that has been acknowledged, how do you send correct is line clear?
Send line bells incorrect, 1 bell to call attention, then correct bell code
IF you receive a train incorrectly described, what do you do with your block indicator once you have received the correct is line clear bell code?
Leave it at line clear
Do you send train entering section first if you are going to send train passed without tail lamp to signal box in advance?
No
What is the bell code for train passed without a tail lamp to the Signal box in advance?
9
What is the bell code for a train passed without lamp to signal box in rear?
4-5
If a train passes without tail lamp, what actions to take to signal box in advance?
send train passed without tail lamp (9), send 4-5 to signal box in rear, keep block indicator to train online
If train passes without a tail lamp what actions would you take to signal box in advance if you could replace your signals back if driver wouldn’t see irregular sequence of aspects?
Nothing, you would stop the train and ask the driver to check
Would you replace your signals to danger if it would bring a train to a sudden stop, if the train passes without lamp?
No
if you had to send train pass without lamp to signal box in rear, what would you do with your block indicator?
Leave it at train online
When can you send train out of section to signal box in rear?
When you receive train complete from the box in advance (2-1)
before getting 2-1 from box in advance, train heads other way
Stop the train, tell the driver the circumstances, instruct driver to proceed at caution when signal cleared, tell driver to report anything seen wrong, signal train normally
