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

Related Mcqs:

1. 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_________________?

   A. roaring rails
   B. hogged rails
   C. corrugated rails
   D. buckled rails

2. 52 kg rails are mostly used in__________________?

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

3. Ordinary rails are made of_______________?

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

4. 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

5. Wear of rails is maximum in weight of___________________?

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

6. 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

7. 60 R rails are mostly used in__________________?

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

8. The following tests are conducted for rails _________________?

   i) falling weight test
   ii) tensile test
   iii) hammer test
   The compulsory tests are?

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

9. Loose jaws of steel trough sleepers are made of___________________?

   A. cast steel
   B. mild steel
   C. cast iron
   D. spring steel

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

    A. carbon and silicon
    B. manganese and phosphorous
    C. carbon and manganese
    D. carbon and sulfur