Opencast Mining - Study Mode

[#211] In dumper operation, specific fuel oil consumption can be controlled by . . . . . . . .
Correct Answer

(D) All above

[#212] The height of bench for 10 m 3 shovel is
Correct Answer

(D) 14 m

[#213] The value of ore is Rs. 600 per ton, production cost Rs. 400 per ton and cost of over burden removal is Rs. 50 per m 3 , the break even stripping ratio in m 3 /ton is
Correct Answer

(B) 1 : 3

[#214] Which is used for stripping top soil and making shallow cuts and trenches upto a depth of 3.5 - 6 m.
Correct Answer

(C) Ditching shovel

[#215] Solomons formula used for calculating.
Correct Answer

(A) Factor of safety