Q221
Open questionThe space factor for stranded rope is . . . . . . . .
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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
12/23
Page
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Q222
Open questionUntwisting of strands prevented by . . . . . . . .
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Q223
Open questionIf the failure of detaching hook to hold the cage, the next safety device may be fitted in head gear is . . . . . . . .
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Q224
Open questionThe pressure developed by each impellar varies, as the square of . . . . . . . .
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Q225
Open questionThe thrust of the pump is counter acted by . . . . . . . .
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Q226
Open questionIn the direct haulage system, which is generally employed up a gradient steeper than . . . . . . . .
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Q227
Open questionIn shearer, the power source is . . . . . . . .
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Q228
Open questionDouble drum balanced haulage system reduces . . . . . . . .
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Q229
Open question. . . . . . . . of the circumferance of the rope is in contact with the groove of the head gear pulley.
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Q230
Open questionThe plates in oremerod safety hook is assembled on a centre pivot and a copper rivet . . . . . . . . mm diameter passes through a small hole of all the plates when assembled.
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Q231
Open questionFor how many years the winding rope has to be used?
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Q232
Open questionThe Gathering head in gathering arm leader is elevated by . . . . . . . .
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Q233
Open questionSteel rigid guides are installed in some . . . . . . . . mines.
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Q234
Open questionThe wires spiral round the core in the same direction as the threads of right hand screw called . . . . . . . .
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Q235
Open questionIn main and tail, needs two separate drums one for . . . . . . . . other for . . . . . . . .
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Q236
Open questionOne of the rope haulage is . . . . . . . .
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Q237
Open questionThe transport arrangement, which operates between main incline/shaft and the main under ground loading point called . . . . . . . .
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Q238
Open questionWhich pump must never be started without priming with water as it does not create a vacuum of more than a few centimeters when working on air.
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Q239
Open questionThe detaching hook always placed just below the rope . . . . . . . .
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Q240
Open questionThe sulphur percentage in wire ropes . . . . . . . .
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