41. The underground transport arrangements are . . . . . . . .
42. AM 50 continuous miner designed to cut . . . . . . . . rock.
43. Road header is used to drive . . . . . . . .
44. The main bolt passes through all the four plates of the kings safety hook serves as
45. Detaching hooks are used only for . . . . . . . .
46. Which one each stage to release the air when priming the pump . . . . . . . .
47. Can do the rope splicing to an endless rope.
48. The hydraulic system in AM 50 miner works at a pressure of . . . . . . . . bars.
49. Which of the following has low FOS and not suitable for shock load or too heavy load.
50. Ropes used for haulage . . . . . . . .
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