Top 250+ Solved Railway Bridge and Tunnel Engineering MCQ Questions Answer
Q. The standard dimensions of a wooden sleeper for a B.G. railway track are
a. 2.74 m × 25 cm × 13 cm
b. 1.83 m × 20 cm × 11 cm
c. 1.52 m × 15 cm × 10 cm
d. 1.75 cm × 20 cm × 12 cm
Q. Indian Railways detects the rail flow by
a. Mitsubishi Rail flow dector
b. Soni Rail flow dector
c. Audi-gauge Rail flow detector
d. Kraut Kramer Rail flow detector
Q. The gradient on which an additional engine is required to negotiate the gradient, is called
a. Momentum gradient
b. Pusher gradient
c. Ruling gradient
d. Steep gradient
Q. If D is distance between centres of two parallel tracks of gauge G with entire curved leads and equal angles of crossing, total length of crossover, is
a. D (4R - 2G - D)]
b. D (3R - 2G -D)]
c. D (3R + 2G - D)]
d. D (4 + 2G - D)]
Q. 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
Q. Burnettising is done for the preservation of
a. Wooden sleepers
b. Rails
c. Ballast
d. None of these
Q. Consider the following statements:Automatic signalling system results in 1. Greater risk 2. Higher efficiency 3. Avoidance of block instruments 4. Higher operating cost Of these statements
a. 1 and 2 are correct
b. 3 and 4 are correct
c. 1 and 4 are correct
d. 2 and 3 are correct
Q. A kink is made in stock rails, ahead of the toe of switch at a distance of
a. 10 cm
b. 15 cm
c. 20 cm
d. 30 cm
Q. Rails are fixed on steel sleepers
a. By bearing plates
b. By dog spikes
c. By keys in lugs or jaws
d. None of these
Q. The rail section which is not used on Indian metre gauge tracks, is
a. 25 R
b. 30 R
c. 35 R
d. 40 R
Q. Advantage of automatic signalling, is:
a. Increased safety
b. Reduction in delays
c. Increase in track capacity
d. All the above
Q. For developing thinly populated areas, the correct choice of gauge is
a. Broad Gauge
b. Meter Gauge
c. Narrow Gauge
d. Any of the above