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

Related Mcqs:

1. 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

2. For a 8° curve track diverging from a main curve of 5° in an opposite direction in the layout of a broad gauge yard, the cant to be provided for the branch track for maximum speed of 45 km/h on the main line and ‘G’ = 1.676 m is (Permitted cant deficiency for the main line = 7.6 cm)______________________?

   A. 0.168 cm
   B. -0.168 cm
   C. 7.432 cm
   D. 7.768 cm

3. 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

4. Maximum value of ‘throw of switch’ for Broad Gauge track is__________________?

   A. 89 mm
   B. 95 mm
   C. 100 mm
   D. 115 mm

5. 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

6. Switch angle depends on______________?

   i) heel divergence
   ii) length of tongue rail
   iii) flangeway clearance
   iv) throw of switch
   The correct answer is?

   A. (i) and (ii)
   B. (ii) and (iii)
   C. (iii) and (iv)
   D. (i)and(iv)

7. 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

8. 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

9. One degree of curve is equivalent to__________________?

   A. 1600/R
   B. 1700/R
   C. 1750/R
   D. 1850/R

   where R is the radius of curve in meters

10. The shape of transition curve used by Indian Railways is____________________?

    A. cubic parabola
    B. spiral
    C. sine curve
    D. lemniscate of Bernoulli