31. The ramp of gathering head can be raised or lowered usually through . . . . . . . . m.
32. The detaching hooks commonly used are classified into . . . . . . . . types.
33. The Auger drill of Eimco Elecon Ltd. trade name model . . . . . . . . SDL base, drill used in coal mines of India.
34. In bucket wheel excavator system, the transporting scheme is with . . . . . . . .
35. Koepe winding also called . . . . . . . .
36. What type of safety features are attached with LHD machine.
37. The length of splice depend upon the . . . . . . . .
38. The level joists of head gear carry the . . . . . . . . above the dealing level is equal to overall heigh of cage.
39. The number of plates movable in kings safety detaching hook . . . . . . . .
40. The clip consists a pair of steel cheeks, loosely held together by adjustable centre bolt which has a spring sourrounding it to keep the place apart and kept in position by pins supporting lever and coupling hook called . . . . . . . .
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