Mine Legislation | MCQ Multiple Choice Questions (61 - 70)
61) Miner died due to heart- attack during his duty hours without any injury. which of the following statements is / are not true ?
1] It is considered as natural death due to heart issues.
2] It is an accident happened in the Mine.
3] The post mortem report to be submitted to DGMS.
4] If post mortem report fails to submit to DGMS … it is considered as accident in the Mine.
a) i b) iii c) ii d ) iii & IV
62) Which of the following are not the safety features of Belt conveyors?
a) Limit switch b) Pullchord Switch c) Hold back d) vulcanizing device
63) The usage of coal in the earth pit for
a) To increase the conductance of the earthing
b) To reduce the conductance of the earthing.
c) To increase the resistance of the earthin
d) All of the above.
64) The bench height is 6m, depth of the hole is 6.6 m (includes sub grade drilling), spacing is 4 m, burden is 5 m, the density of the rock is 2, and explosive used is 24kg. Find the powder factor
a) 12 b) 10 c) 24 d) 11
65) As per Reg.177 of MMR 1961 Every Fence erected on the surface shall once at least inevery week be examined by .
a. Mines Manager b) Asst. Mines Manager c) Foreman d) Competent person
66) Which of the following is in the part of ISO (Internal Safety Organisation)
| i. | Managing Director | |
| ii. | Director Technical | |
| iii. | Safety officer | |
| iv. | None of the above |
a) 1 & 2 | b) 3 c) 1, 2 &3 | d) 4 |
67) Which of the following is true regarding the workers participation in safety management?
a) Pit safety committee
b) Committee
c) Tripartite committee
d) All of the above
68) To measure the performance of the blast which factor is calculated?
a) Tonnage factor b) space factor c) stripping ratio d) Powder factor
69) Which of the following statements is/ are true?
1] Parking brake is to be used when the dumper is in motion.
2] Parking brake is to be tested with dumper is in full load
3] Parking brake is to be tested with dumper is in empty position
4] Parking brake is to be tested at maximum gradient, permitted for at least 10 minutes.
a) 4 only b) 2 only c) 2 , 4 d) 3 only
70) If the depth of pit reaches —– meters the scientific study on slope stability will be done by scientific agency.
a) 60 m b) 75 m c) 50 m d) 100 m
ANSWERS FOR ABOVE QUESTIONS
| 61 c | |||
| 62 | d | ||
| 63 | a | ||
| 64 | b | ||
| 65 | d | ||
| 66 | a | ||
| 67 | d | ||
| 68 | d | ||
| 69 | c | ||
| 70 | a |
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