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More Mining Engineering Questions
All surface structure and supports within a horizontal. distance of . . . . . . . . meters from all entrances to a mine shall be of fire proof material.
Large ignious rockmass, differs from batholith, basin shape called
Explosive shall not be issued from the magazine unless they are required for . . . . . . . . use.
Who out of the following is duly appointed in writing by the Manager as competent person to supervise the operation, plant or equipment?
A company has three mines at locations A, B and C, which supply coal to power plants at D, E, F and G. Mines A, B and C produce 1800 t/day, 1700 t/day, and 2900 t/day respectively. Daily raw coal requirements at the power plants D, E, F and G from these mines are 2050 t, 1600 t, 1300 t, and 1450 t respectively. Unit transportation costs are as follows: Mines ↓ Power Plants D E F G A 3.5 4.0 2.5 5.5 B 4.5 3.7 6.0 4.7 C 4.2 3.8 5.2 2.9 The company has to minimize the total cost of transportation to the power plants. The problem is