Q281
Open questionCreep is the error associated with
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Mining Engineering · all questionsDrilling and Blasting
Drilling and Blasting
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Q282
Open questionDrilling in hard strata generally carried out by using drilling with
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Q283
Open questionThe gears of the anemometer can be engaged or disengaged by . . . . . . . .
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Q284
Open questionVery sensitive explosive.
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Q285
Open questionWorking place means any place in a mine.
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Q286
Open questionThe inflammability of coal dust is dependent upon the percentage of . . . . . . . .
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Q287
Open questionThe axial flow fan is fitted with guide blades at the . . . . . . . . side.
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Q288
Open questionMajor source of heat in u/g coal mines from
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Q289
Open questionA PETN placed booster in a shot hole occupies only . . . . . . . . of total explosive change.
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Q290
Open questionThe maximum height of roadway permitted by law.
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Q291
Open questionAccess to the deposit situated in near to surface very larger and wider, shallow depth, to get large out put by using machinery per annum.
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Q292
Open questionAntisetting agents in an explosive to prevent.
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Q293
Open questionA wearer can use the gas mask canister for service period of nearly . . . . . . . . hours in irrespirable atmosphere.
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Q294
Open questionIn general there is a restriction on conveyance of primed cartridges with detonators in same container but which is the only occasion out of the following when it is permitted under CMR 2017?
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Q295
Open questionThe capacity of air conditioning plant is expressed in . . . . . . . .
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Q296
Open questionFive involves fuels like LPG gas, butage etc. comes under
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Q297
Open questionIn open cast, over burden, dumped to the . . . . . . . .
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Q298
Open questionWhich type of arrangement of fan is prefered in a mine of low resistance . . . . . . . .
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Q299
Open questionConventional air lock has . . . . . . . . doors one on each outlet so that when one opens the other encloses the shaft fully.
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Q300
Open questionThe type of electric motor prefered for large air screw fans . . . . . . . .
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