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More Mining Engineering Questions
How much time to be taken to enter in a place, where electric blasting done.
It is the measure of the amount of energy released by an explosive during blasting and ability to do work.
In shovel loading of broken iron ore, if loading cycle time of the shovel of 5 m 3 bucket capacity, is 60 seconds, bucket fill ratio is 0.8, rock looseness factor is 1.5 and shovel working time utilization factor is 0.6, then the hourly output of the shovel in m 3 /hr will be
The limit for drivage of compartmental raising is . . . . . . . .
Where in any mine, it is intended to contruct a reservoir, dam or other structure to withstand a pressure of water, which will flow when wet or to control the in rush of water the manager, give in writing not less than . . . . . . . . days notice to the regional Inspector, accompanied by two copies of plan, showing design and other details of proper construction.