Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Roll crusher Gyratory crusher Ball mill Hammer crusher Roll crusher Gyratory crusher Ball mill Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the None of these Fact that screening is more effective Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed None of these Fact that screening is more effective Assumption that all particles in a single fraction are equal in size Assumption that all particles in a single fraction are equal in size, is not needed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Turbine agitators Propellers None of these Multiple blade paddles Turbine agitators Propellers None of these Multiple blade paddles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration decreases with time Rate of filtration increases with time Resistance decreases with time Rate of filtration is constant Rate of filtration decreases with time Rate of filtration increases with time Resistance decreases with time Rate of filtration is constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration None of these Increases continuously Remains constant Decreases gradually None of these Increases continuously Remains constant Decreases gradually ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to None of these The change in volume due to crushing The new surface created The size reduction ratio None of these The change in volume due to crushing The new surface created The size reduction ratio ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS