Mechanical Operations The study on washability of coal is done by using the __________ technique. Heavy media separation Tabling Elutriation None of these Heavy media separation Tabling Elutriation None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Roll crusher Ball mill Gyratory crusher Hammer crusher Roll crusher Ball mill Gyratory crusher Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Unblanced fly wheels Electromagnets Cams or eccentric shafts Either A, B or C Unblanced fly wheels Electromagnets Cams or eccentric shafts Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The material is crushed in a gyratory crusher by the action of Compression Impact Attrition Cutting Compression Impact Attrition Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Dry grinding of large particles (upto 1.25 cms) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Blending of immiscible liquids Dispersing gas in liquid Suspending solid particles Dispersing immiscible liquid in form of emulsion Blending of immiscible liquids Dispersing gas in liquid Suspending solid particles Dispersing immiscible liquid in form of emulsion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS