Mechanical Operations For efficient grinding, ball mills must be operated With minimum possible small balls At a speed more than the critical speed At a speed equal to the critical speed At a speed less than the critical speed With minimum possible small balls At a speed more than the critical speed At a speed equal to the critical speed At a speed less than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following screens has the maximum capacity? Trommels Grizzlies Vibrating screen Shaking screen Trommels Grizzlies Vibrating screen Shaking screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end. Pebble Rod Tube Compartment Pebble Rod Tube Compartment ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the Liquids of very high viscosity None of these Removal of fines from liquid Liquids having high vapour pressure Liquids of very high viscosity None of these Removal of fines from liquid Liquids having high vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 2 8 20 12 2 8 20 12 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is normally used in sugar mills. Perforated horizontal basket continuous Disc-bowl Suspended batch basket Tubular bowl Perforated horizontal basket continuous Disc-bowl Suspended batch basket Tubular bowl ANSWER DOWNLOAD EXAMIANS APP