Mechanical Operations For the preliminary breaking of hard rock, we use a Ball mill Tube mill Squirrel-cage disintegrator Gyratory crusher Ball mill Tube mill Squirrel-cage disintegrator Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Hammer Both A & B Neither A nor B Cage Hammer Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Jigging is a technique by which different particles can be Mixed Separated by particle shape Separated by particle size Separated by particle density Mixed Separated by particle shape Separated by particle size Separated by particle density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The term 'angle of nip' is concerned with the operation of the __________ crushers. Jaw Gyratory None of these Roll Jaw Gyratory None of these Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a 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 Gives finer size reduction but consumes more power All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the State or manner of application of the crushing force Elastic constant of the material Ultimate strength of the material All of these State or manner of application of the crushing force Elastic constant of the material Ultimate strength of the material All of these ANSWER DOWNLOAD EXAMIANS APP
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