Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Neither A nor B Vortexing Swirling Both A & B Neither A nor B Vortexing Swirling Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 0.02 μm/s 1 μm/s 22.1 μm/s 0.90 μm/s 0.02 μm/s 1 μm/s 22.1 μm/s 0.90 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Flow of filtrate through the cake in a plate and frame filter press is best described by the __________ equation. Kremser Kozney-Karman Fanning's Hagen-Poiseulle's Kremser Kozney-Karman Fanning's Hagen-Poiseulle's ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Is long in comparison with its diameter All of these Uses smaller balls Produces finer products Is long in comparison with its diameter All of these Uses smaller balls Produces finer products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced For hard material's crushing, the reduction ratio should not exceed 4 Both the rolls run necessarily at the same speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Venturi atomiser Electro-static precipitator Cyclone separator Gravity settling chamber Venturi atomiser Electro-static precipitator Cyclone separator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
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