Q281
Open questionThe amount of margin . . . . . . . . in meters allows a cage to be lifted for materials to be slung beneath it.
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Mining Engineering · all questionsMining Machinery
Mining Machinery
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
460
Questions
15/23
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Q282
Open questionOne of the Loco haulage is . . . . . . . .
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Q283
Open questionElectric drills commonly used for . . . . . . . .
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Q284
Open questionThe drill manufactured by Atlas Copco Ltd. under the trade name of . . . . . . . .
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Q285
Open questionJack hammer drill used for vertically downward drilling upto a depth of . . . . . . . . m.
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Q286
Open questionIf any break down take place in endless haulage, the whole system comes to . . . . . . . .
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Q287
Open questionThe wire ropes required to be used in wet shafts are . . . . . . . .
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Q288
Open questionThe cutter loader machines work on gradients upto . . . . . . . . degress.
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Q289
Open questionThe shearer cuts the coal and loads into . . . . . . . .
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Q290
Open questionIn coal plough machine, the following component is employed.
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Q291
Open questionNo mode or type of capping shall be used which fails to withstand a load of atleast 'N' times the maximum static load N is given by . . . . . . . .
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Q292
Open questionWhich is the ratio of power output to the power input called . . . . . . . .
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Q293
Open questionCoal cutting machine is used . . . . . . . .
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Q294
Open questionThe maganease percentage in wire ropes . . . . . . . .
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Q295
Open questionAn extensive application in the working of mine pumps based on . . . . . . . .
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Q296
Open questionIn main and tail rope haulage the tail rope length is . . . . . . . .
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Q297
Open questionThe safety catches should be inspected . . . . . . . . to prevent accumulation of coal dust to ensure free moves.
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Q298
Open questionName the method of speed control of large winders usually of above 800 kw
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Q299
Open questionFor deep shafts where high outputs is desirable, best suited winding is . . . . . . . .
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Q300
Open questionIn LHD system, the transporting scheme is with . . . . . . . .
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