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61
The determination of percentage of inflammable gas shall be made or sample of air taken at suitable point fixed by the manager on the . . . . . . . . side of first working place and as the . . . . . . . . sides of last working place in the district.
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Answer & Solution
Answer: Option B
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62
Which of the following qualifications is not desirable for getting selection in training in rescue work?
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Answer: Option C
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63
Act shall not apply to any depth of excavation measured from its highest to its lowest point nowhere exceeding 'A' meters. 'A' is given for coal
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Answer: Option C
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64
A coal barrier of not less than . . . . . . . . meters in thickness shall be maintained in the seams from old bore holes and present working of the mine from where exploration of methane is in progress
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Answer: Option B
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65
Every zone formed shall be divided into . . . . . . . . equal sections, for check on measures for dust control.
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Answer: Option C
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66
What should be the maximum period for remaining inside the mine for doing rescue work using breathing apparatus?
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Answer: Option B
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67
What is the scale of accommodation of latrine for females in mines?
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Answer: Option B
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68
No person shall work or travel on any ledge or foot path less than . . . . . . . . meters wide from where he is likely to fall more than . . . . . . . . unless he is protected by guard rails fence or safety belt or rope suitably fixed and sufficiently strong to prevent him from falling.
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Answer: Option B
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69
Pillars formed in any seam or section shall be normally be . . . . . . . . in shape.
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Answer: Option D
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70
Maximum number of shots that a shot firer may fire in any shift, be fixed by the . . . . . . . .
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Answer: Option A
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