71. Tensile strength of steel used in rails should not be less than____________________?
A. 450 MPa
B. 500 MPa
C. 700 MPa
D. 850 MPa
✅ The correct answer is option C.
Railway Engineering MCQs
72. For laying the railway track, materials required are__________________?
A. Rails
B. FishPlates
C. Fish Bolts
D. Bearing Plates
✅ The correct answer is option B.
73. The width of foot for 90 R rail section is__________________?
A. 100 mm
B. 122.2 mm
C. 136.5 mm
D. 146.0 mm
✅ The correct answer is option C.
74. Minimum depth of ballast cushion for a Broad Gauge wooden sleeper of size 275x25x13 cm with 75cm sleeper spacing is________________?
A. 15 cm
B. 20 cm
C. 25 cm
D. 30cm
✅ The correct answer is option C.
75. For a 8° curve track diverging from a main curve of 5° in an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed of 45 km/h on the main line and ‘G’ = 1.676 m is (Permitted cant deficiency for the main line = 7.6 cm)______________________?
A. 0.168 cm
B. -0.168 cm
C. 7.432 cm
D. 7.768 cm
✅ The correct answer is option B.
76. For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is________________?
A. 18
B. 19
C. 20
D. 21
✅ The correct answer is option C.
77. 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
✅ The correct answer is option C.
78. The limiting value of cant gradient for all gauges is___________________?
A. 1 in 360
B. 1 in 720
C. 1 in 1000
D. 1 in 1200
✅ The correct answer is option B.
79. One degree of curve is equivalent to__________________?
A. 1600/R
B. 1700/R
C. 1750/R
D. 1850/R
✅ The correct answer is option C.
80. 60 R rails are mostly used in__________________?
A. Broad Gauge
B. Metre Gauge
C. Narrow Gauge
D. none of the above
✅ The correct answer is option B.