Mine Legislation and General Safety MCQs Questions & Answers | Mining Engineering

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41.
Why galleries are sometimes staggered?

A. it will help to install transport system

B. to avoid excessive exposure of roof at a place

C. to provide good support to the roof

D. it will give maximum coal output

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42.
In every mine in which a mechanical ventilator in use, the quantity of air shall, once atleast in every . . . . . . . . days, be measured.

A. 14

B. 21

C. 7

D. 30

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43.
Determination of percentage of inflammable gas shall be made by a . . . . . . . . person by means of an Apparatus approved by CI of mins.

A. Sirdar

B. Overman

C. Gastester

D. Competent person

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44.
Coal gallery of the seam height should not exceed . . . . . . . . meters.

A. 2

B. 3

C. 3.5

D. 4.2

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45.
Identify one of the following conditions which does attract the provision of prohibiting the use of any rope for winding

A. any doubt regarding fitness of the rope

B. rope which has been spliced

C. the breaking load of the rope at any point is not less than 10 times the maximum static load

D. none of the above

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46.
Samples of dust collected to a depth not exceeding . . . . . . . . millimeters on the roof and sides and to a depth not exceeding . . . . . . . . millimeters on floor.

A. 20, 25

B. 20, 15

C. 10, 5

D. 5, 10

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47.
In which form does the owner, agent or manager keep the record of leave with wages of employee?

A. Forms B & C

B. Forms C & D

C. Forms D & G

D. Forms G & H

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Mine Legislation and General Safety MCQs Questions & Answers | Mining Engineering

41. Why galleries are sometimes staggered?

Answer & Solution

42. In every mine in which a mechanical ventilator in use, the quantity of air shall, once atleast in every . . . . . . . . days, be measured.

Answer & Solution

43. Determination of percentage of inflammable gas shall be made by a . . . . . . . . person by means of an Apparatus approved by CI of mins.

Answer & Solution

44. Coal gallery of the seam height should not exceed . . . . . . . . meters.

Answer & Solution

45. Identify one of the following conditions which does attract the provision of prohibiting the use of any rope for winding

Answer & Solution

46. Samples of dust collected to a depth not exceeding . . . . . . . . millimeters on the roof and sides and to a depth not exceeding . . . . . . . . millimeters on floor.

Answer & Solution

47. In which form does the owner, agent or manager keep the record of leave with wages of employee?

Answer & Solution

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41.
Why galleries are sometimes staggered?

42.
In every mine in which a mechanical ventilator in use, the quantity of air shall, once atleast in every . . . . . . . . days, be measured.

43.
Determination of percentage of inflammable gas shall be made by a . . . . . . . . person by means of an Apparatus approved by CI of mins.

44.
Coal gallery of the seam height should not exceed . . . . . . . . meters.

45.
Identify one of the following conditions which does attract the provision of prohibiting the use of any rope for winding

46.
Samples of dust collected to a depth not exceeding . . . . . . . . millimeters on the roof and sides and to a depth not exceeding . . . . . . . . millimeters on floor.

47.
In which form does the owner, agent or manager keep the record of leave with wages of employee?