Mine Rules and Regulations MCQs Questions & Answers

11

As per which circular immediate supports are required for slips, weaknesses in immediate roof?

A) 9/1977 B) 5/1977 C) 2/2002 D) 5/2003

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Answer & Solution

Answer: Option B

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12

What is the depth to be achieved for an excavation to be called a coal mine?

A) The depth of such excavation measured from its highest to its lowest point should not be less than 15m B) The depth of such excavation measured from its highest to its lowest point should not be less than 10m C) The depth of such excavation measured from its highest to its lowest point should not be less than 5m D) The depth of such excavation measured from its highest to its lowest point should not be less than 30m

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Answer & Solution

Answer: Option A

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13

What is the periodicity of joint survey by user and manufacturer of cage suspension gear stipulated in DGMS Circular 1/2015?

A) 3 months B) 6 months C) 12 months D) 24 months

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Answer & Solution

Answer: Option C

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14

As per DGMS Circular 6/2013, mining companies should engage CMPDIL or any educational institution for keeping active surveillance for longer period of time for which of the below mentioned technology?

A) Longwall B) Highwall C) Sublevel D) Blasting gallery

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Answer & Solution

Answer: Option B

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15

In order to support freshly exposed roof and sides in coal mines full column grouted roof bolts preferably be used as support as per which DGMS circular?

A) 2/1997 B) 7/1977 C) 4/2002 D) 5/2002

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Answer & Solution

Answer: Option A

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16

As per DGMS stipulation on freshly exposed roof which of the following statement is true in the context of minimum damage due to blasting?

A) first row of supports should contain at least one strategically placed cog B) two rows of vertical props C) two rows of cross-bars D) bolts of lrn × lm mesh

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Answer & Solution

Answer: Option A

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17

As per extant regulation under CMR 1957 and MMR 1961 what is to be confirmed by the Shotfirer before a shot hole is charged, stemmed and fired?

A) no coal should be there at face B) there should not be any misfire C) inflammable gas should be under danger limit D) all persons in the vicinity should have taken proper shelter

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Answer & Solution

Answer: Option D

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18

The provision given on weak immediate roof including supporting lips of ledges adequately by artificial means i.e. by a set of 2 or 3 cross bars duly kept lagged is from which circular?

A) 3/1975 B) 15/1959 C) 59/1973 D) 5/1975

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Answer & Solution

Answer: Option D

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19

In order to have appropriate health and safety management system which of the following tool is used?

A) standing orders B) emergency action plan tool for health C) quality control cell D) risk management tool

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Answer & Solution

Answer: Option D

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20

During roof bolt installation which of the following measures should be kept in mind?

A) Roadway should not be sagged B) Strata dilation is to be monitored C) Bolt angle should be normal to the bedding plane D) Overburden pressure should be kept in view

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Answer & Solution

Answer: Option C

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Mine Rules and Regulations MCQs Questions & Answers | Mining Engineering