Mechanical Operations Balls for ball mills are never made of Forged/cast steel Cast iron Alloy steel Lead Forged/cast steel Cast iron Alloy steel Lead ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Limestone is normally crushed in a Roll crusher Ball mill Hammer crusher Tube mill Roll crusher Ball mill Hammer crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Both A & B Hammer Neither A nor B Cage Both A & B Hammer Neither A nor B Cage ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is > 1 < 1 1.5 1 > 1 < 1 1.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for German standard screens (DIN 1171) etc All of these American standard screens (ASTM and Tyler standard screens) British standard screens German standard screens (DIN 1171) etc All of these American standard screens (ASTM and Tyler standard screens) British standard screens ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A cottrel precipitator makes use of the __________ for dusty air cleaning. Alternating current Electric spark Corrona discharge None of these Alternating current Electric spark Corrona discharge None of these ANSWER DOWNLOAD EXAMIANS APP
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