RS521

Question 1

tell me the meaning of position light showing 2 white lights?

Answer 1

it’s a proceed aspect but at caution towards BOTS

Question 2

tell me the meaning of a position light showing yellow aspects

Answer 2

this means that if performing a shunt move you may proceed but if intending to go towards the main line treat as a stop signal

Question 3

how would you know a colour light or semaphore isn’t in use?

Answer 3

white X would be displayed

Question 4

what does distant semaphore signal mean at caution?

Answer 4

be prepared to stop at the next stop signal

Question 5

what does semaphore distant signal mean showing clear?

Answer 5

all stop signals worked in the same signal box are clear

Question 6

what does the subsidiary signal mean when showing clear? inside out jam roly poly

Answer 6

means proceed at caution towards BOTS (same as pos light in association with main aspect)

Question 7

what does CA (calling on) mean?
and what does S (shunt ahead) mean?

Answer 7

calling on - proceed at caution towards BOTS

shunt ahead- means only use this signal to pass if shunting

Question 8

what does the entrance work site marker boards look like and who is needed to enter

what does the exit work site marker board look like

Answer 8

entrance is yellow rectangle with 2 red flashing lights & needs engineering supervisor to pass

exit is two yellow flashing lights need PICOP to exit

Question 9

where are SPAD indicators placed?

Answer 9

usually 50 meters beyond certain signals.

Question 10

what is a co acting signal ?

Answer 10

is another signal that matches the main aspect signal for short and long distance sighting

Question 11

what is an OFF indicator and what does it mean when it shows OFF

Answer 11

they are provided at platforms means the route in which associated to the driver has been set “off means signal is clear like how banner repeaters mean OFF when clear and ON when at danger “

Question 12

what are CD (close door) indicators?

Answer 12

when displays CD it mens to let the driver know that is safe to close power operated doors

Question 13

what are right away indicators?

Answer 13

it can display R or RA , when shown it tells driver that station duties are complete

Question 14

what is a mid platform train berth marker?

Answer 14

tells the driver that there’s a sub division on the platform

Question 15

what are aws cancelling indicators ? and the difference between yellow x black and blue x white

Answer 15

blue x white is where magnet is permanently installed, cancelling indicator warns driver that aws indication does not apply to them

yellow x black is provided for temp or emergency speed restrictions tells driver warning indicator doesn’t apply to them

Question 16

what is a AWS gap area?
what does signs look like

Answer 16

where AWS is not provided usually at a station or in complex areas

white circle with aws in middle red x (start)
white square with aws (end)

Question 17

what is a AWS gap area on a bi-di line
what do signs look like

Answer 17

this is where AWS is not provided in the opposite direction on a bi di line

white diamond aws in middle with red x (start of it)
white diamond aws in middle (end of section)

Question 18

what does a level crossing warning board mean?
what does it look like

Answer 18

this warning board means there is an ABCL (auto barrier crossing locally monitored) AOCL (auto open crossing locally monitored) up ahead.

white and black at george’s flag

Question 19

what does a WDM board look like
what are they used for?

Answer 19

in black and white has the speed and an X on the side of the speed.
they are positioned on approach to level crossings that have WD controls

Question 20

ehat does speed restriction board look like on approach to LC?

Answer 20

black and white with speed under the X

Question 21

what do sandite markers do and look like?

Answer 21

yellow rectangles with black marks in

3 marks - warning of sandite application

2 marks- start applying sandite

1 mark - stop

Question 22

countdown markers what are they and what do they look like?

Answer 22

white rectangles with red marks in
three marks - distance to signal 300m
two marks - distance 200m
one mark - distance 100m

signs inform driver of distance between sign and signal concerned

Question 23

what does a red hand signal mean?
yellow
green
flag in day toc light at night

Answer 23

Red - STOP
yellow - giving authority to psad
green- used to give authority to pass over LC

Question 24

check ID plates? picture