81. Heel divergence is
a) always less than flangeway clearance
b) equal to flangeway clearance
c) always greater than flangeway clearance
d) sometimes greater than flangeway clearance
Ans: c
82. Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
a) detectors
b) point lock
c) iock bar
d) stretcher bar
Ans: c
83. The treadle bar is provided
a) in the middle of the track a little in front of the toes of the tongue rail
b) near and parallel to inner side of one of the rails
c) at right angle to the rail
d) near and parallel to inner side of both the rails
Ans: b
84. The object of providing a point lock is
a) to ensure that each switch is correctly set
b) to ensure that the point may not be operated while the train is on it
c) to detect any obstruction between and tongue rail
d) none of the above
Ans: a
85. Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
a) triangle
b) turntable
c) traverser
d) scotch block
Ans: c
86. A triangle is used for
a) changing the direction of engine
b) transferring wagons to and from parallel tracks without shunting
c) separating all the sidings and shunting lines from main lines
d) preventing the vehicles from running off the track
Ans: a
87. The height of the centre of arm of a semaphore signal above the ground is
a) 5.5m
b) 6.5 m
c) 7.5 m
d) 8.5m
Ans: c
88. The reception signal is
i) outer signal
ii) home signal
iii) starter
iv) advanced starter The correct answer is
a) (i) and (ii)
b) (ii) and (iii)
c) (iii) and (iv)
d) (i)and(iv)
Ans: a
89. Yellow lighthand signal indicates
a) stop
b) proceed
c) proceed cautiously
d) none of the above
Ans: c
90. When semaphore and warner are installed on the same post, then the stop indication is given when
a) both arms are horizontal
b) semaphore arm lowered but warner arm horizontal
c) both semaphore and warner arms lowered
d) none of the above
Ans: a
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a) always less than flangeway clearance
b) equal to flangeway clearance
c) always greater than flangeway clearance
d) sometimes greater than flangeway clearance
Ans: c
82. Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
a) detectors
b) point lock
c) iock bar
d) stretcher bar
Ans: c
83. The treadle bar is provided
a) in the middle of the track a little in front of the toes of the tongue rail
b) near and parallel to inner side of one of the rails
c) at right angle to the rail
d) near and parallel to inner side of both the rails
Ans: b
84. The object of providing a point lock is
a) to ensure that each switch is correctly set
b) to ensure that the point may not be operated while the train is on it
c) to detect any obstruction between and tongue rail
d) none of the above
Ans: a
85. Which of the following devices is used to transfer the wagons or locomotives to and from parallel tracks without any necessity of shunting ?
a) triangle
b) turntable
c) traverser
d) scotch block
Ans: c
86. A triangle is used for
a) changing the direction of engine
b) transferring wagons to and from parallel tracks without shunting
c) separating all the sidings and shunting lines from main lines
d) preventing the vehicles from running off the track
Ans: a
87. The height of the centre of arm of a semaphore signal above the ground is
a) 5.5m
b) 6.5 m
c) 7.5 m
d) 8.5m
Ans: c
88. The reception signal is
i) outer signal
ii) home signal
iii) starter
iv) advanced starter The correct answer is
a) (i) and (ii)
b) (ii) and (iii)
c) (iii) and (iv)
d) (i)and(iv)
Ans: a
89. Yellow lighthand signal indicates
a) stop
b) proceed
c) proceed cautiously
d) none of the above
Ans: c
90. When semaphore and warner are installed on the same post, then the stop indication is given when
a) both arms are horizontal
b) semaphore arm lowered but warner arm horizontal
c) both semaphore and warner arms lowered
d) none of the above
Ans: a
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