Q201
Open questionFill the following equation gives 2KO2 + 2H2O →
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Mining Engineering · all questionsDrilling and Blasting
Drilling and Blasting
practice.
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911
Questions
11/46
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Q202
Open questionWhich of the following detonators are used with P5 explosives (off-the-solid-blasting)?
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Q203
Open questionBy varying pitch of blades, the quantity of air circulated can be varied, but the pressure produced is . . . . . . . .
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Q204
Open questionThe diameter of M.S pipe with plug for recording temperature of the atmosphere below stopping.
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Q205
Open questionIn this type of fan consists of two impellers rotating in opposite direction.
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Q206
Open questionThe minimum thickness of isolation stopping in I and II degree gassy mine.
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Q207
Open questionAn air screw fan is convinient as to use an under ground . . . . . . . . fan.
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Q208
Open questionMeasuring accuracy of electronic amemometer.
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Q209
Open questionThe pressure on phreautic surface is
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Q210
Open questionCaustite is a mixture of . . . . . . . . used in gas mask.
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Q211
Open questionAuxiliary fan used for
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Q212
Open questionAccess to the deposit situated deep in depth.
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Q213
Open questionWeight of self rescuer is
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Q214
Open questionThe design of pit top and pit bottom layouts done basing on the following objects.
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Q215
Open questionWhich of the following is not dependent on efficient breaking of rock?
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Q216
Open questionUse of sharp picks, water sprays may reduce dust formation at the faces.
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Q217
Open questionThe finished diameter of the shaft varies generally from . . . . . . . .
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Q218
Open questionFor coal seam of moderate dip the shaft may be located in the . . . . . . . . property.
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Q219
Open questionThe delay detonators and non-delay detonators are distinguished
physically by
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Q220
Open questionThe resistance of roadways in series is R = . . . . . . . .
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