Mine Legislation And General Safety - Study Mode

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[#116] Which of the following materials are used to hold tubs on a gradient?

(A) stop block

(B) backstay

(C) tub rerailer

(D) sprags

Correct Answer

(D) sprags

[#117] It is expected that all timber supports of mines are to be withdrawn by

(A) bunton

(B) prop-withdrawer

(C) drop war wick

(D) jim crow

Correct Answer

(B) prop-withdrawer

[#118] What should be the distance upto which the guides shall be kept extended towards the bottom of the sinking shaft exceeding 150 m in depth?

(A) 13.5 m

(B) 16.5 m

(C) 19.5 m

(D) 22.5 m

Correct Answer

(D) 22.5 m

[#119] As per provision of CMR 2017, who shall be held responsible for determining the VEQ?

(A) Safety officer

(B) Labour welfare officer

(C) Ventilation officer

(D) General Manager

Correct Answer

(B) Labour welfare officer

[#120] The exhaust air, below ground, which contains dust in excess of the permissible limit shall be efficiently diluted and if necessary filtered. So as to reduce the concentration of respirable dust there in below . . . . . . . . percent of the permissible limit before being recirculated into working place.

(A) 5

(B) 10

(C) 15

(D) 20

Correct Answer

(B) 10