Railway Engineering Multiple Choice Questions and Answers for Practice

16. Breaking length of rails is approximately equal to the length between.................sleepers.

1. 80
2. 100
3. 40
4. 60

17. Broad gauge is...................wide.

1. 1000 mm
2. 762 mm
3. 1676 mm
4. 1435 mm

18. Chief function of sleeper is to

1. distribute the load coming from rails
2. all the above
3. keep the rails at correct gauge
4. support the rails

19. Compared to straight portion, on curves extra width of ballast required is

1. 40 to 50 mm
2. 75 to 150 mm
3. nil
4. 15 to 20 mm

20. Concrete sleeper is used in railways due to

1. long life
2. all the above
3. their ability to improve track modulus
4. high resistance to fire

21. Coning of wheels is at

1. 1 in 30
2. 1 in 35
3. 1 in 15
4. 1 in 20

22. Cotters are used to fix

1. bearing plate to sleeper
2. tie bars to cast iron sleepers
3. fish plates
4. rail to sleeper

23. Disadvantage of concrete sleeper is

1. heavy damage during derailment
2. all the above
3. their heavy weight
4. no scrap value

24. Ends of steel sleepers are

1. convex shaped
2. concave shaped
3. bulb shaped
4. flat and rectangular

25. Fish bolts are made from

1. high carbon steel
2. any of the above
3. wrought iron
4. mild steel

26. Fish plates should be designed for

1. longitudinal forces
2. all the above
3. vertical force
4. horizontal forces

27. For changing the direction of engine the device used is

1. scotch block
2. both a and b
3. triangle
4. turntable

28. For developing a thinly populated area, the correct choice of gauge is

1. metre gauge
2. narrow gauge
3. standard gauge
4. broad gauge

29. For point and crossings, size of broken stone ballast used is

1. 40 mm
2. 50 mm
3. 25 mm
4. 32 mm

30. For sag curves the rate of change permitted is

1. 0.10%
2. 0.15%
3. 0.05%
4. 0.75%