Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Linear speed of the basket is doubled Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is halved ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? High V.M. bituminous coal Coke breeze None of these Sand High V.M. bituminous coal Coke breeze None of these Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Pressure filter Centrifugal filter Coagulant Vacuum filter Pressure filter Centrifugal filter Coagulant Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). 1/√μ 1/μ² 1/μ √μ 1/√μ 1/μ² 1/μ √μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Cutting Compression Attrition Impact Cutting Compression Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about 1 to 2° 5 to 10° 2 to 5° 10 to 15° 1 to 2° 5 to 10° 2 to 5° 10 to 15° ANSWER DOWNLOAD EXAMIANS APP