Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.3 50 0.007 0.014 0.3 50 0.007 0.014 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 46° 32° 40° 16° 46° 32° 40° 16° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The controlling resistance in a rotary drum vacuum filter is the __________ resistance. Filter medium None of these Piping Cake Filter medium None of these Piping Cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Basic slag is not ground in Tube mills Compartment mills Ball mills Jaw crushers Tube mills Compartment mills Ball mills Jaw crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is ?2 None of these 1 1.5 ?2 None of these 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Pneumatic conveyor Both B & C Bucket elevator Apron conveyor Pneumatic conveyor Both B & C Bucket elevator Apron conveyor ANSWER DOWNLOAD EXAMIANS APP