Mechanical Operations A cottrel precipitator makes use of the __________ for dusty air cleaning. Electric spark Corrona discharge None of these Alternating current Electric spark Corrona discharge None of these Alternating current ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). √(S/V)p (S/V)p (S/V)f (S/V)²p √(S/V)p (S/V)p (S/V)f (S/V)²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Smallest Neither A nor B Either A or B Largest Smallest Neither A nor B Either A or B Largest ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. None of these Heavy media separation Elutriation Tabling None of these Heavy media separation Elutriation Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following screens has the maximum capacity? Vibrating screen Shaking screen Trommels Grizzlies Vibrating screen Shaking screen Trommels Grizzlies ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Both A & B Type of crushing machine Feed material Neither A nor B Both A & B Type of crushing machine Feed material Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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