Q181
Open questionSkip is used for (unpartioned sumps)
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Mining Engineering · all questionsMining Machinery
Mining Machinery
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460
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10/23
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Q182
Open questionIt is the ratio between the interruption to the motion of a car along a straight level track with constant speed to the total weight of car.
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Q183
Open questionThe distance between head gear pulley and detaching plate of the rope capel is . . . . . . . .
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Q184
Open questionThe cutter boom of continuous miner consists of
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Q185
Open questionThe ratio between water H.P. to the B.H.P. of drive motor called . . . . . . . .
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Q186
Open questionThe type of coal drill bits used for coal drilling . . . . . . . .
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Q187
Open questionAir leg relieves the . . . . . . . . of the operator.
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Q188
Open questionThe maximum value of the efficiency varies with the size and make of the pump and it may range from . . . . . . . . for small pumps.
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Q189
Open questionThe example for the ropes subjected to shock loads.
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Q190
Open questionLarge head gear pulley minimises . . . . . . . . stresses in the winding rope.
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Q191
Open questionWhich of the following is not a selection criteria of choice of type and size of mine car in a mine.
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Q192
Open questionFor drilling in stone coal drill some times used by changing the gear box to reduced the speed of bit to nearly . . . . . . . . rpm and . . . . . . . . type drill rods used.
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Q193
Open questionOremerod detaching safety hook plates made of . . . . . . . .
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Q194
Open questionThe system of haulage suitable for . . . . . . . . roadways, which it is impossible to maintain double track.
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Q195
Open questionThe opening of the detaching plate or bell is tested . . . . . . . . by caliper for wear occuring from lashing by rope.
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Q196
Open questionThe jaws of the small man clip length is about . . . . . . . . cm.
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Q197
Open questionDirect rope haulage system disadvantage is . . . . . . . .
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Q198
Open questionMechanical loaders commonly used are . . . . . . . .
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Q199
Open questionTotal power of all installed motors in AM 50 . . . . . . . . kw . . . . . . . . V.
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Q200
Open questionCutter, loader continuous machine give a progress of . . . . . . . . m/day.
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