Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 2.76 0.5 0.66 1 2.76 0.5 0.66 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Viscosity of the liquid Cube of impeller diameters Square of rotational speed Density of the liquid Viscosity of the liquid Cube of impeller diameters Square of rotational speed Density of the liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Sand Plate & frame Shell & leaf Rotary vacuum Sand Plate & frame Shell & leaf Rotary vacuum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Centrifugal force is doubled Linear speed of the basket is doubled Capacity of centrifuge is increased Linear speed of the basket is halved Centrifugal force is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Impact mill Hammer crusher Fluid energy mill Roller crusher Impact mill Hammer crusher Fluid energy mill Roller crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 10 times Same as 5 times 2.5 times 10 times Same as 5 times 2.5 times ANSWER DOWNLOAD EXAMIANS APP