Opencast Mining - Study Mode
[#101] The standard of lighting required for heavy earth moving machinery work place.
Correct Answer
(D) 5 lux
[#102] Benefication of Indian bituninous coal helps in . . . . . . . .
Correct Answer
(D) All of these
[#103] It is always desirable to keep the width of the floor of bench much larger than . . . . . . . . of bench.
Correct Answer
(C) Height
[#104] The height of sakhi should not exceed . . . . . . . .
Correct Answer
(C) 2.5 m
[#105] The angle of the slope of bench wall from horizontal.
Correct Answer
(A) Bench slope angle