Mechanical Operations A tube mill as compared to a ball mill Gives finer size reduction but consumes more power All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls Gives finer size reduction but consumes more power All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Maximum size Minimum size Cast iron Elliptical Maximum size Minimum size Cast iron Elliptical 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 1.5 None of these ?2 1 1.5 None of these ?2 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their Densities Terminal velocities Particle sizes None of these Densities Terminal velocities Particle sizes None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/hr-ft² Tons/hr Both A & B Tons/ft² Tons/hr-ft² Tons/hr Both A & B Tons/ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a None of these Sharpies centrifuge Boundary mixer Propeller agitator None of these Sharpies centrifuge Boundary mixer Propeller agitator ANSWER DOWNLOAD EXAMIANS APP
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