Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Vacuum leaf Plate and frame Open sand Sparkler Vacuum leaf Plate and frame Open sand Sparkler ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np → constant Np ∝ √NRe Np ∝ NRe Np ∝ 1/NRe Np → constant Np ∝ √NRe Np ∝ NRe Np ∝ 1/NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Fine feed requires a larger ball Operating speed should be more than the critical speed Coarse feed requires a larger ball None of these Fine feed requires a larger ball Operating speed should be more than the critical speed Coarse feed requires a larger ball None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Hardness Toughness Size Elasticity Hardness Toughness Size Elasticity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time Rate of filtration is constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 46° 40° 16° 32° 46° 40° 16° 32° ANSWER DOWNLOAD EXAMIANS APP
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