Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Ball mill Tube mill Gyratory crusher Toothed roll crusher Ball mill Tube mill Gyratory crusher Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Volume Either A or B Weight Neither A nor B Volume Either A or B Weight Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 1 √2 0.5 √3 1 √2 0.5 √3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The term 'angle of nip' is concerned with the operation of the __________ crushers. None of these Roll Jaw Gyratory None of these Roll Jaw Gyratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Handling of ashes and similar materials can be done best by a __________ conveyor. Belt Flight Drag or slat Ribbon Belt Flight Drag or slat Ribbon ANSWER DOWNLOAD EXAMIANS APP
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 Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is halved Linear speed of the basket is doubled Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is halved ANSWER DOWNLOAD EXAMIANS APP
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