Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Same field of force Same fluid Different fluids Both B and C Same field of force Same fluid Different fluids Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration When half the filtrate has been obtained At time zero At the end of filtration, but decreases with time subsequently At the end of filtration When half the filtrate has been obtained At time zero At the end of filtration, but decreases with time subsequently At the end of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is 1 0.5 √3 √2 1 0.5 √3 √2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Water Both A & B Air Neither A nor B Water Both A & B Air Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Classification Thickening Froth floatation Clarification Classification Thickening Froth floatation Clarification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed Maximum feed size determines the required roll diameter For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed ANSWER DOWNLOAD EXAMIANS APP
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