Top 250+ Solved Railway Bridge and Tunnel Engineering MCQ Questions Answer
Q. Pick up the incorrect statement from the following:
a. Fish plates fit the underside of the rail head
b. Fish plates fit the top of the rail foot
c. Fish plates fit the web of the rail section
d. Cross sectional area of fish plates, is normally the same as that of the rail section
Q. Pick up the correct statement from the following:
a. Length of tongue rail should be greater than rigid wheel base of vehicle
b. Stock rail should be longer than tongue rail
c. Length of stock rail ahead of the toe should be a minimum of 1.65 m
d. All the above
Q. Fish plate is in contact with rail at
a. Web of rail
b. Fishing plane
c. Head of rail
d. Foot of rail
Q. In railways a triangle is mainly provided for
a. Diverting trains from the main line to branch line
b. Crossing over between parallel tracks
c. Changing direction of engines through 180°
d. Shunting wagons in yards
Q. Minimum gradient in station yards is generally limited to
a. 1 in 1000
b. 1 in 750
c. 1 in 500
d. Zero
Q. If L1 and L2 are actual and theoretical lengths of a tongue rail, d is heel divergence and tis thickness
a. sin 1 (d - t/
b. tan 1 (d - t/
c. sin 1 (d - t/
d. tan 1 (d - t/
Q. If a is average number of peaks more than 10 mm of unevenness per kilometre, b is average number peaks more than 6 mm for gauge variation per kilometre and c is average number of peaks more than 2 mm twist per metre, then composite current recording index (Ic), as recommended by Indian Northern Railways, is
a. Ic = 10 - a - b - c/4
b. Ic = 20 - a - b - c/4
c. Ic = 30 - a - b - c/4
d. Ic = 40 - a - b - c/4
Q. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275 × 25 ×13 cm with 75 cm sleeper spacing is
a. 15 cm
b. 20 cm
c. 25 cm
d. 30 cm
Q. The sleepers resting directly on girder are fastened to the top flange of girder by
a. Hook bolts
b. Dog spikes
c. Fang bolts
d. Rail screws
Q. The sleepers which satisfy the requirements of an ideal sleeper, are
a. Cast iron sleepers
b. R.C.C. sleepers
c. Steel sleepers
d. Wooden sleepers
Q. The side of a rail diamond may be obtained by dividing the gauge of track by
a. Sine of acute crossing
b. Cosine of acute crossing
c. Tangent of acute crossing
d. Cotangent of acute crossing
Q. The standard length of rail for Broad Gauge and Meter Gauge are respectively
a. 12 m and 12 m
b. 12 m and 13 m
c. 13 m and 12 m
d. 13 m and 13 m
Q. Coning of wheels is provided
a. To check lateral movement of wheels
b. To avoid damage to inner faces of rails
c. To avoid discomfort to passengers
d. All the above
Q. On Indian Railways, angle of crossing between gauge faces of Vee, is generallycalculated by
a. Cole's method
b. Centre line method
c. Isosceles triangle method
d. Both (a) and (b)