Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.33-1.45 1.5-2.5 0.33-0.45 0.5-2 1.33-1.45 1.5-2.5 0.33-0.45 0.5-2 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 None of these 1.5 1 ?2 None of these 1.5 1 ?2 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 50 75 25 10 50 75 25 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is KWh/sec. kg KWh/kg Kg/sec KW. sec/kg KWh/sec. kg KWh/kg Kg/sec KW. sec/kg ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is A batch filter Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost Not suitable, if the liquid is the main product A batch filter Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure Having prohibitively high maintenance cost Not suitable, if the liquid is the main product ANSWER DOWNLOAD EXAMIANS APP
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 The size reduction ratio The new surface created None of these The change in volume due to crushing The size reduction ratio The new surface created None of these ANSWER DOWNLOAD EXAMIANS APP
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