Size reduction does not occur due to compression in case of Jaw crushers Gyratory crushers Rod mills Smooth roll crushers TRUE ANSWER : ? YOUR ANSWER : ?
Tank filter (e.g., Nutsch filter) is A high pressure filter A leaf filter Used for small scale filtration work A continuous filter TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following screens has the maximum capacity? Trommels Vibrating screen Grizzlies Shaking screen TRUE ANSWER : ? YOUR ANSWER : ?
Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 5 to 25 50 to 100 100 to 250 TRUE ANSWER : ? YOUR ANSWER : ?
The grinding in a hammer crusher takes place due to the Both A & B Attrition Neither A nor B Impact TRUE ANSWER : ? YOUR ANSWER : ?
The speed of a rotary drum vacuum filter may be about __________ rpm. 100 1 500 50 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following comes in the category of primary crusher for hard and tough stone? Gyratory crusher Cone crusher Jaw crusher None of these TRUE ANSWER : ? YOUR ANSWER : ?
The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Both A & B Neither A nor B Pressure Rate TRUE ANSWER : ? YOUR ANSWER : ?
Sedimentation on commercial scale occurs in Thickeners Cyclones Classifiers Rotary drum filters TRUE ANSWER : ? YOUR ANSWER : ?
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) 1/D D2.5 1/D2.5 D TRUE ANSWER : ? YOUR ANSWER : ?