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. The formation width for a railway track depends on the_________________?

   i) type of gauge
   ii) number of tracks to be laid side by side
   iii) slope of sides of embankment or cutting
   The correct answer is?

   A. only (i)
   B. both (i) and (ii)
   C. both (i) and (iii)
   D. (i), (ii) and (iii)

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. The purpose of providing fillet in a rail section is to_________________?

   A. increase the lateral strength
   B. increase the vertical stiffness
   C. avoid the stress concentration
   D. reduce the wear

10. Which of the following turnouts is most commonly used for goods train on Indian Railways ?

    A. 1 in 8’/2
    B. 1 in 12
    C. 1 in 16
    D. 1 in 20