Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 50 to 100 100 to 250 5 to 25 0.2 to 0.8 50 to 100 100 to 250 5 to 25 0.2 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing mechanism employed in a pan mixer is by Mulling None of these Kneading Dispersion Mulling None of these Kneading Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. Fine Ultrafine Secondary Primary Fine Ultrafine Secondary Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Complicates handling & classification of the product None of these Has less capacity Requires more energy Complicates handling & classification of the product None of these Has less capacity Requires more energy 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 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