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More Mining Engineering Questions
Maximum permissable gradient for haul road in open cast mine is
If the depth of the shaft exceeds 1000 m but not 1500 m, no winding rope shall be used or continued to use, if its factor of safety is becomes less than . . . . . . . . in metal mines.
The charge per hole in BG method.
Maximum travel speed of scraper (forward speed)
A workshop has four machines for assigning four jobs. Each job can be assigned to only one machine. Estimated processing cost (in Rs.) at each machine to complete each task is given in the table below Machine M1 M2 M3 M4 Tasks T1 61 92 52 72 T2 42 49 69 85 T3 47 59 80 71 T4 65 70 68 72 The minimum value of total processing cost based on an optimal assignment schedules is