Q181
Open questionNow a days the wagon drills operated by
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Mining Engineering · all questionsOpencast Mining
Opencast Mining
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299
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Q182
Open questionOne of the secondary blasting technique is . . . . . . . .
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Q183
Open questionThe angle of slope from bench wall from the horizontal called
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Q184
Open questionThe following nomeneclature 20/90 for drag line is related to . . . . . . . .
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Q185
Open questionThis type of fuel not being washed to improve heat value.
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Q186
Open questionNumber of holes drilled by two persons is sandstone with a depth of 1.2 - 1.5 m.
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Q187
Open questionThe following excavator will be used for a bench height of 20 m to 30 m of soft rock formation.
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Q188
Open questionMost suitable for ripping rocks and medium hard rocks below 5 hardness scale which are laminated and stratified is . . . . . . . .
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Q189
Open questionThe slope angle for hard and compact ground should not be more than
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Q190
Open questionWhich one of the following is not related to open cast mining.
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Q191
Open questionDipper shovels of smaller size upto 3.5 m3 are usually driven by . . . . . . . .
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Q192
Open questionTriangular or wedge failure is due to
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Q193
Open questionThe application range of hydraulicking is mostly limited to . . . . . . . .
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Q194
Open questionGood matching of load haul equipment the truck body to shovel bucket capacity ratio should be
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Q195
Open questionTerrace cut is given with the help of
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Q196
Open questionSome times Jack hammer mounted with
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Q197
Open questionThe machine employed for loading broken rock from a bench standing the floor of the bench is . . . . . . . .
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Q198
Open questionMotions imparted by the wagon drill druing the time of drilling to the rods.
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Q199
Open questionSpacing of holes in coal is (manual quarry).
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Q200
Open questionOver burden and mineral excavated in long strips of few meters thick called as
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