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.Management Sciences
Category: Railway Engineering
The slipping of driving wheels of locomotives on the rail surface causes_______________?
A. wheel burns
B. hogging of rails
C. scabbing of rails
D. corrugation of rails
Switch angle is the angle between___________________?
A. the gauge face of the stock rail and tongue rail
B. the outer face of the stock rail and tongue rail
C. the gauge face of the stock rail and outer face of the tongue rail
D. the outer face of the stock rail and the gauge face of the tongue rail
In a scissors cross-over, the crossings provided are_________________?
i) 2 obtuse angle crossings
ii) 4 obtuse angle crossings
iii) 4 acute angle crossings
iv) 6 acute angle crossings
The correct answer is ?
A. (i) and (iii)
B. (i)and(iv)
C. (ii) and (iii)
D. (ii) and (iv)
Normally maximum cant permissible in Meter Gauge is__________________?
A. 75 mm
B. 90 mm
C. 140 mm
D. 165 mm
The height of the center of arm of a semaphore signal above the ground is_________________?
A. 5.5m
B. 6.5 m
C. 7.5 m
D. 8.5m
Which of the following statements regarding ballast materials are correct ?
A. Brick ballast has poor drainage characteristics.
B. Coal ash is not used as ballast with steel or cast iron sleepers.
C. Gravel ballast gives better performance on soft formation.
D. Sand ballast causes excessive wear on top of rail
60 R rails are mostly used in__________________?
A. Broad Gauge
B. Metre Gauge
C. Narrow Gauge
D. none of the above
The cross-sectional area of 52 kg flat footed rail is_________________?
A. 6155 mm2
B. 6615 mm2
C. 7235 mm2
D. 7825 mm2
Which of the following types of sleepers is preferred on joints ?
A. CST-9 sleeper
B. steel trough sleeper
C. wooden sleeper
D. concrete sleeper
avoidance of block instruments 4. higher operating cost Of these statements_____________________?
A. I and 2 are correct
B. 3 and 4 are correct
C. 1 and 4 are correct
D. 2 and 3 are correct
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