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71
The rate of loading of gathering arm loaders of used models are . . . . . . . . t/min.
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Answer & Solution
Answer: Option B
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72
Small man clip used in . . . . . . . . haulage.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
73
AM 50 mounted on . . . . . . . .
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Answer: Option B
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74
If the rope made up of 6 strands, each strand made by 7 wires . . . . . . . .
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Answer & Solution
Answer: Option A
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75
The speed of slow speed plough . . . . . . . . m/min.
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Answer & Solution
Answer: Option C
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76
For remote control the coal drill furnished with iii single pole . . . . . . . . switch.
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Answer & Solution
Answer: Option B
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77
Endless haulage systems are classified into . . . . . . . . types.
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Answer & Solution
Answer: Option C
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78
In shearer machine system, the transporting scheme is with . . . . . . . .
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Answer & Solution
Answer: Option B
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79
Escessive strain of the winding rope is caused by the angle of contact is . . . . . . . . on the pulley.
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Answer & Solution
Answer: Option C
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80
A single central wire called . . . . . . . .
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Answer & Solution
Answer: Option B
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