Mechanical Operations In case of a hammer crusher, the Feed may be highly abrasive (Moh's scale >5) Rotor shaft carrying hammers can be vertical or horizontal Minimum product size is 3 mm Maximum feed size may be 50 mm Feed may be highly abrasive (Moh's scale >5) Rotor shaft carrying hammers can be vertical or horizontal Minimum product size is 3 mm Maximum feed size may be 50 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) D 1/D2.5 D2.5 1/D D 1/D2.5 D2.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 8 to 10 15 to 20 3 to 4 10 to 15 8 to 10 15 to 20 3 to 4 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Assumption that all particles in a single fraction are equal in size Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed None of these Assumption that all particles in a single fraction are equal in size Fact that screening is more effective Assumption that all particles in a single fraction are equal in size, is not needed None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, volume shape factor is given by π/6(=V/D³) 2π(=2A/D²) π(=A/D²) AD/V π/6(=V/D³) 2π(=2A/D²) π(=A/D²) AD/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A cottrel precipitator makes use of the __________ for dusty air cleaning. None of these Electric spark Alternating current Corrona discharge None of these Electric spark Alternating current Corrona discharge ANSWER DOWNLOAD EXAMIANS APP
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