Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its None of these Easier grindability High power consumption in grinding Poor grindability None of these Easier grindability High power consumption in grinding Poor grindability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is normally used in sugar mills. Perforated horizontal basket continuous Suspended batch basket Tubular bowl Disc-bowl Perforated horizontal basket continuous Suspended batch basket Tubular bowl Disc-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating Iron ores Quartzite None of these Sulphide ores Iron ores Quartzite None of these Sulphide ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Speed of the rolls Diameter of the rolls Feed size Product size Speed of the rolls Diameter of the rolls Feed size Product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Gyratory crusher Ball mill Roll crusher Hammer crusher Gyratory crusher Ball mill Roll crusher Hammer crusher ANSWER DOWNLOAD EXAMIANS APP