Mechanical Operations The value of 'angle of nip' is generally about 64° 16° 52° 32° 64° 16° 52° 32° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Jet mills All of these Fluid energy mill Micronizer Jet mills All of these Fluid energy mill Micronizer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 1125 230 460 2250 1125 230 460 2250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Gives finer size reduction but consumes more power Employs smaller balls Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Gives finer size reduction but consumes more power Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) All of these 1/μ S 1/R All of these 1/μ S 1/R ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration Decreases gradually None of these Increases continuously Remains constant Decreases gradually None of these Increases continuously Remains constant ANSWER DOWNLOAD EXAMIANS APP
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