Mechanical Operations Size reduction does not occur due to compression in case of Rod mills Smooth roll crushers Jaw crushers Gyratory crushers Rod mills Smooth roll crushers Jaw crushers Gyratory crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.5 0.68 0.58 0.62 0.5 0.68 0.58 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Shell & leaf Sand Plate & frame Rotary vacuum Shell & leaf Sand Plate & frame Rotary vacuum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is None of these Decreased with the time of filtration Independent of pressure drop Important in the beginning of filtration None of these Decreased with the time of filtration Independent of pressure drop Important in the beginning of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grindability of a material does not depend upon its Toughness Elasticity Size Hardness Toughness Elasticity Size Hardness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity ANSWER DOWNLOAD EXAMIANS APP