Q361
Open questionMain purpose of lung governed valve.
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Mining Engineering · all questionsDrilling and Blasting
Drilling and Blasting
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Q362
Open questionThe example for low density explosive
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Q363
Open questionWhich of the following is the oxidizing agent in an explosive?
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Q364
Open questionReaction between cellulose compounds with nitric acid yeilds.
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Q365
Open questionFlame safety lamp is used for testing.
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Q366
Open questionIf in the mine gas emitted is a mixture of 80% CH4, 10% of H2, 10% of ethane, lower limit of explosibility of gas mixture will be
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Q367
Open questionThe fan which is more or less temporary installation in mines.
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Q368
Open questionAccess to a mineral deposit at a depth is by well called as
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Q369
Open questionTrends now-a-days in approach mineral at a vertical depth of . . . . . . . . meters by inclines.
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Q370
Open questionDrainage of water in a mine is effected by pumps which are designed depending on location as follows.
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Q371
Open questionThe inverse of poisson's ratio termed as . . . . . . . .
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Q372
Open questionConveyors used in underground should be . . . . . . . .
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Q373
Open questionMultiple fan in series are connected when
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Q374
Open questionThe pressure on single doors, in order that they offer no difficulty in opening should not exceed.
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Q375
Open questionGelatinous explosives commonly used in these mine conditions.
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Q376
Open questionStratum is reffered as flat if general inclination not exceed . . . . . . . . to the horizontal.
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Q377
Open questionThe nature of flow of a fluid is governed by a dimension less parameter called
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Q378
Open questionA delay detonator has a delay element introduced between
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Q379
Open questionThe coefficient of friction in a staple pit without bunton.
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Q380
Open questionThe dust generally used for spraying in coal places.
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