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More Mining Engineering Questions
There are 50 lemon trees in a reclaimed mine area. Each tree produces 800 lemons per year. For each additional tree planted in this area, considering all trees, the output number of fruits per tree drops by 10 lemons in a year. The number of trees that to be added to the existing reclaimed area in order to maximise the total number of lemons in the year is
The capsule bolt, the capsule gel time varies from
The CO 2 absorbent placed in breathing bag, weights of absorbent is . . . . . . . .
Which of the following reagents do share around 75% in an explosive?
In a 3 rd degree gassy mine the velocity of air measured at 7.5 m out bye of the discharge end of an air pipe should be