Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Thickening Clarification Classification Froth floatation Thickening Clarification Classification Froth floatation 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 Sulphates Carbonates Bi-carbonates Silicates & phosphates Sulphates Carbonates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Pug mill Banbury internal mixer Muller mixer Mixer-extruder Pug mill Banbury internal mixer Muller mixer Mixer-extruder ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Both A & B Cage Neither A nor B Hammer Both A & B Cage Neither A nor B Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Run either at the same or different speeds Are rotated towards each other Have the same diameter All of these Run either at the same or different speeds Are rotated towards each other Have the same diameter All of these ANSWER DOWNLOAD EXAMIANS APP
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