Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. Sand Rotary Vacuum Plate & frame Sand Rotary Vacuum Plate & frame ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Both pressure drop and flow rate Pressure drop alone Flow rate alone Cake thickness Both pressure drop and flow rate Pressure drop alone Flow rate alone Cake thickness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The size reduction ratio The change in volume due to crushing The new surface created None of these The size reduction ratio The change in volume due to crushing The new surface created None of these 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 Silicates & phosphates Carbonates Bi-carbonates Sulphates Silicates & phosphates Carbonates Bi-carbonates Sulphates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Compressibility co-efficient for an absolutely compressible cake is ∞ 0 to 1 1 ∞ 0 to 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Neither A nor B Both A & B Electrolyte Surface active agent Neither A nor B Both A & B Electrolyte Surface active agent ANSWER DOWNLOAD EXAMIANS APP
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