Rope Haulages & Tracks

1. The simplest system of haulage system for raising the loads?

2. The gradient suitable for direct rope haulage is steeper than?

3. The general speed in rope haulage is?

4. The limiting gradient for endless rope haulage is?

5. The rope speed in the endless rope haulage is?

6. Where continuous movement of loaded and empty tubs are necessary the rope haulage suitable is?

7. The surface of the drive pulley in endless haulage is?

8. In endless rope haulage the C.I sheets having the tapering of?

9. The correct place for tension bogey is?

10. Smalman clip is the device used to attach?

11. In over rope endless haulage system ...... is used for attaching the tubs?

12. The system of rope haulage most suitable for undulating roadways and where it is not possible or desirable to maintain two tracks is?

13. In main and tail rope haulage the length of the tail rope is.....of the haulage plane?

14. The system of rope haulage suitable with least cost to lower the loads to feed to the haulage at lowest level is?

15. The factor of safety for the rope haulage is?

16. The weight of the tracks for locomotives of more than 10 te capacity?

17. The distance between two adjacent sleepers should not exceed?

18. For tubs of 1.1 cu.m capacity the rail section should be of minimum weight of?

19. The general track gauge for 1.1 cu.m tub?

20. The load on the tub axle; haulage speed; wet or dry condition of the mine will decide the selection of?

21. The track gauge for locomotive is?

22. The purpose of the sleeper and ballast in the track is?

23. The size of the ballast used in rail track is?

24. For the speed up to 13 kmph the radius of any curve in a main haulage road should be?

25. For bending the rail to suitable curvature the device used is?

26. The safety device consists of steel rail or wooden block pivoted at the end which is used for arresting backward runaway for tubs is?

27. The safety device consists of a wooden beam or block lying across the rails to prevent backward running of tubs is?

28. The safety device used behind an ascending set of tubs on direct or endless haulage to arrest runaway of tubs is?

29. The safety device used for arresting the forward runaway of tubs is?

30. The safety device is used effectively in case of direct rope haulage in the event of runaway of a set of tubs?

31. If the track gauge is more than 0.6 m then......... are preferred?

32. The haulage used up to 35 hp is called?

33. The limiting gradient for the tugger haulage is?

34. The size of direct rope haulage used underground generally ?

35. The direct rope haulage with 150 HP the reasonable output is ?

36. The maximum length of the rope haulage is?

37. High capacity endless rope haulage may give ...?

38. The maximum length of the endless rope haulage is?

39. Limiting gradient for the main and tail rope haulage is?

40. To slow down the tubs the device used is?

41. Steel ropes can be used for winding up to a maximum depth of?

42. In locomotive haulage system at the point of change in gradient the haulage track should be well graded over a length of?

43. The driving pulley used in endless rope haulage is?

44. The margin allowed...m allows a cage to be lifted for materials to be slung beneath it?

45. The component in the winding engine house that stores the energy by speeding up during periods of light load and delivers it by slowing during the heavy load period is?

46. In long length of haulage system the effective signalling system is by the use of?