- (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
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- (A) crushed head
- (B) angular break
- (C) split head
- (D) transverse fissures
- (A) 15.0 tonnes
- (B) 22.5 tonnes
- (C) 45.0 tonnes
- (D) 90.0 tonnes
- (A) I and 2 are correct
- (B) 3 and 4 are correct
- (C) 1 and 4 are correct
- (D) 2 and 3 are correct
- (A) 975
- (B) 918
- (C) 900
- (D) 880
- (A) 26.41
- (B) 19.81
- (C) 13.21
- (D) 6.61
- (A) cubic parabola
- (B) spiral
- (C) sine curve
- (D) lemniscate of Bernoulli
- (A) 1600/R
- (B) 1700/R
- (C) 1750/R
- (D) 1850/R
- (A) to permit lateral movement of the tongue rail
- (B) to maintain the two tongue rails at the exact distance
- (C) to ensure exact gauge at the toe of the switch as well as the nose of crossing
- (D) to prevent any vertical movement between the wing rail and nose of crossing
- (A) Vi cot(cc/2)
- (B) cot(oc/2)
- (C) cot(A)
- (D) Vi cosec(a/2)
