Due to battering action of wheels over the end of the rails, the rails get bent down and are deflected at ends. These rails are called_________________?

Related Mcqs:

1. The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be________________?

   A. 26.41
   B. 19.81
   C. 13.21
   D. 6.61

2. The slipping of driving wheels of locomotives on the rail surface causes_______________?

   A. wheel burns
   B. hogging of rails
   C. scabbing of rails
   D. corrugation of rails

3. A train is hauled by 4-8-2 locomotive. The number of driving wheels in this locomotive is_________________?

   A. 4
   B. 8
   C. 12
   D. 14

4. 52 kg rails are mostly used in__________________?

   A. Broad Gauge
   B. Meter Gauge
   C. Narrow Gauge
   D. both (A) and (B)

5. Ordinary rails are made of_______________?

   A. mild steel
   B. cast iron
   C. wrought iron
   D. high carbon steel

6. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is_________________?

   A. dog spike
   B. rail screw
   C. elastic spike
   D. round spike

7. Wear of rails is maximum in weight of___________________?

   A. tangent track
   B. sharp curve
   C. tunnels
   D. coastal area

8. The type of bearing plate used in all joints and on curves to give better bearing area to the rails is___________________?

   A. flat mild steel bearing plate
   B. mild steel canted bearing plate
   C. cast iron anti creep bearing plate
   D. none of the above

9. 60 R rails are mostly used in__________________?

   A. Broad Gauge
   B. Metre Gauge
   C. Narrow Gauge
   D. none of the above

10. Tensile strength of steel used in rails should not be less than____________________?

    A. 450 MPa
    B. 500 MPa
    C. 700 MPa
    D. 850 MPa