Two important constituents in the com-position of steel used for rail are_________________?

Related Mcqs:

1. The height of the rail for 52 kg rail section is_______________?

   A. 143 mm
   B. 156 mm
   C. 172 mm
   D. 129mm

2. Head width of 52 kg rail section is________________?

   A. 61.9 mm
   B. 66.7mm
   C. 67mm
   D. 72.33 mm

3. The total gap on both sides between the inside edges of wheel flanges and gauge faces of the rail is kept as_________________?

   A. 10mm
   B. 13mm
   C. 16mm
   D. 19 mm

4. For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is________________?

   A. 18
   B. 19
   C. 20
   D. 21

5. Number of dog spikes normally used per rail seat on curved track is__________________?

   A. one on either side
   B. two outside and one inside
   C. one outside and two inside
   D. two outside and two inside

6. 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

7. On a single rail track, goods trains loaded with heavy iron material run starting from A to B and then empty wagons run from B to A. The amount of creep in the rails__________________?

   A. will be more in the direction of B to A
   B. will be more in the direction of A to B
   C. will be maximum at the middle of A and B
   D. cannot be determined from the given data

8. Which one of the following rail failures is caused by loose fish bolts at expansion joints ?

   A. crushed head
   B. angular break
   C. split head
   D. transverse fissures

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

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

10. The rail is designated by its__________________?

    A. length
    B. weight
    C. cross-section
    D. weight per unit length