Mechanical Operations Highly viscous liquids & pastes are agitated by Multiple blade paddles None of these Turbine agitators Propellers Multiple blade paddles None of these Turbine agitators Propellers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Formation of highly porous cake Speed of the centrifuge Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Formation of highly porous cake Speed of the centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time Rate of filtration is constant Rate of filtration decreases with time Resistance decreases with time Rate of filtration increases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Carbonates Sulphates Bi-carbonates Silicates & phosphates Carbonates Sulphates Bi-carbonates Silicates & phosphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sauter mean diameter is the same as the __________ mean diameter. Geometric Mass Volume-surface Arithmetic Geometric Mass Volume-surface Arithmetic ANSWER DOWNLOAD EXAMIANS APP
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