Lead of crossing is the distance from the__________________?

Related Mcqs:

1. Lead of crossing is the distance from the_________________?

   A. heel of the switch to the toe of the switch
   B. heel of the switch to the theoretical nose of the crossing
   C. toe of the switch to the theoretical nose of crossing
   D. toe of the switch to the actual nose of crossing

2. The correct relation between curve lead (CL), switch lead (SL) and lead of cros¬sing (L) is given by__________________?

   A. CL = L – SL
   B. L =CL-SL
   C. SL = L + CL
   D. L = (CL+SL)/2

3. If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by_________________?

   A. Vi cot(cc/2)
   B. cot(oc/2)
   C. cot(A)
   D. Vi cosec(a/2)

4. If ‘A’ is the angle formed by two gauge faces, the crossing number will be____________________?

   A. tan A
   B. cot A
   C. sec A
   D. Arad

5. Dog spikes are used for fixing rail to the__________________?

   A. wooden sleepers
   B. CST-9 sleepers
   C. steel trough sleepers
   D. concrete sleepers

6. What will be the curve lead for a 1 in 8.5 turnout taking off from a straight broad gauge track?

   A. 28.49 m
   B. 21.04 m
   C. 14.24 m
   D. 7.45 m

7. Gauge is the distance between_______________?

   A. center to center of rails
   B. running faces of rails
   C. outer faces of rails
   D. none of the above

8. The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called_________________?

   A. flangeway clearance
   B. heel divergence
   C. throw of the switch
   D. none of the above

9. Composite sleeper index is the index of___________________?

   A. hardness and strength
   B. strength and toughness
   C. toughness and wear resistance
   D. wear resistance and hardness

10. Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is_______________?

    A. 552
    B. 783
    C. 1352
    D. 1455