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MCQ
524. Total effective bearing area of both the bowls of a pot sleeper, is-
Slightly more than that of a wooden sleeper
Slightly less than that of a wooden sleeper
Equal to that of a wooden sleeper
None of these
527. Pick up the incorrect statement from the following-
Sleepers hold the rails at proper gauge on straights
Sleepers provide stability to the permanent way
Sleepers act as an elastic cushion between rails and ballast
None of these
529. On Indian Railways, number of a crossing is defined as--
Sine of angle of crossing
Cosine of angle of crossing
Tangent of angle of crossing
Contingent of angle of crossing
531. Pick up the correct statement from the following:--
An extra width of 7.5 cm ballast is provided on outside a curve if track is laid with short welded rails
An extra width of 7.5 cm ballast is provided on outside a curve sharper than 3° on B.G. and M.G. tracks
An extra width of 15 cm ballast is provided on each shoulder if the track is laid with welded rails
All the above
532. Flange-way clearance is the distance--
Between the adjoining faces of the running rail and the check rail near the crossing
Between the gauge faces of the stock rail and the tongue rail
Through which the tongue rail moves laterally at the toe of the switch
None of the above
537. Consider the following statements about concrete sleepers. 1. They improve the track modulus. 2. They have good scrap value. 3. They render transportation easy. 4. They maintain the gauge quite satisfactorily. Of these statements--
1 and 2 are correct
2 and 3 are correct
3 and 4 are correct
1 and 4 are correct
539. The purpose of providing fillet in a rail section is to--
Increase the lateral strength
Increase the vertical stiffness
Avoid the stress concentration
Reduce the wear