Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The change in volume due to crushing None of these The new surface created The size reduction ratio The change in volume due to crushing None of these The new surface created The size reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 10 25 50 75 10 25 50 75 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To produce talcum powder, use Ball mill Pin mill Jet mill Hammer mill Ball mill Pin mill Jet mill Hammer mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Finer products Neither A nor B Enhanced production rate Both A & B Finer products Neither A nor B Enhanced production rate Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ √D N ∝ D N ∝ 1/√D N ∝ 1/D N ∝ √D N ∝ D N ∝ 1/√D N ∝ 1/D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Rittinger's law None of these Bond's crushing law Kick's law Rittinger's law None of these Bond's crushing law Kick's law ANSWER DOWNLOAD EXAMIANS APP
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