Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 16° 32° 40° 46° 16° 32° 40° 46° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Neither A nor B Both A & B Pressure Rate Neither A nor B Both A & B Pressure Rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Remains unchanged Increases Decreases exponentially Decreases Remains unchanged Increases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Collector Depressor Frother Conditioner Collector Depressor Frother Conditioner ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π/3 (π/6)1/2 π (π/6)1/3 π/3 (π/6)1/2 π (π/6)1/3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Swirling Both A & B Neither A nor B Vortexing Swirling Both A & B Neither A nor B Vortexing ANSWER DOWNLOAD EXAMIANS APP