Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S 6.V/D.S V/D.S S/V V/6D.S 6.V/D.S V/D.S S/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Dewaxing of lubricating oil Separation of cream from milk Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Separation of cream from milk Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference 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 ) 1/D D D2.5 1/D2.5 1/D D D2.5 1/D2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Apron conveyor Flight conveyor Chain conveyor Belt conveyor Apron conveyor Flight conveyor Chain conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration, but decreases with time subsequently At the end of filtration When half the filtrate has been obtained At time zero At the end of filtration, but decreases with time subsequently At the end of filtration When half the filtrate has been obtained At time zero ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Elasticity Size Toughness Hardness Elasticity Size Toughness Hardness ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS