#1
What does a green signal indicate in railway signaling?
Proceed
ExplanationProceed means the train can continue its journey.
#2
What does a white signal with a black 'X' indicate in railway signaling?
Do not proceed
ExplanationA white signal with a black 'X' indicates trains should not proceed.
#3
What is the primary function of a 'home signal' in railway signaling?
Control entry to a station
ExplanationHome signals control the entry of trains into a station.
#4
In color light signaling, what does a flashing red light indicate?
Stop
ExplanationA flashing red light in color light signaling indicates that the train should stop.
#5
What does a 'double red' signal indicate in railway signaling?
Stop
ExplanationA double red signal indicates that the train should stop.
#6
Which color is associated with the 'clear' or 'all clear' signal in railway signaling?
Green
ExplanationGreen indicates that the track is clear and the train can proceed.
#7
What does a flashing yellow signal indicate in railway signaling?
Proceed with caution
ExplanationProceed with caution means the train should advance carefully.
#8
What is the purpose of a 'shunting signal' in railway signaling?
Authorize shunting operations
ExplanationShunting signals authorize trains to perform shunting operations, rearranging rolling stock.
#9
Which aspect of a signal typically indicates 'proceed at restricted speed' in railway signaling?
Yellow
ExplanationYellow signals typically indicate that trains should proceed at restricted speeds.
#10
What is the purpose of a 'dwarf signal' in railway signaling?
Control train movements in yards or sidings
ExplanationDwarf signals control train movements in yards or sidings, guiding them safely.
#11
In railway signaling, what is the purpose of a 'distant signal'?
Warn of the presence of a train ahead
ExplanationDistant signals warn of the presence of a train ahead to avoid collisions.
#12
What does a red and green signal together indicate in railway signaling?
Approach at maximum speed
ExplanationThe combination indicates that the train should approach at its maximum allowable speed.
#13
What is the purpose of a 'calling-on signal' in railway signaling?
Permit a train to enter a section at restricted speed
ExplanationCalling-on signals permit trains to enter a section at restricted speeds.
#14
In absolute block signaling, what does a 'block repeater' display?
Signal aspect of the next block
ExplanationBlock repeaters display the signal aspect of the next block to the train driver.
#15
What does a 'feather' or 'route indicator' on a signal display signify?
Direction of the route
ExplanationA feather or route indicator on a signal displays the direction of the route.