Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration, but decreases with time subsequently At time zero When half the filtrate has been obtained At the end of filtration At the end of filtration, but decreases with time subsequently At time zero When half the filtrate has been obtained At the end of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Froth floatation Baum jig washer Trough washer Spiral separator Froth floatation Baum jig washer Trough washer Spiral separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Viscosity of the liquid Square of rotational speed Density of the liquid Cube of impeller diameters Viscosity of the liquid Square of rotational speed Density of the liquid Cube of impeller diameters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Both A & B Differential roll speed Reduction ratio Neither A nor B Both A & B Differential roll speed Reduction ratio Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Jigging & tabling Froth floatation None of these Flocculation Jigging & tabling Froth floatation None of these Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process opposite to 'dispersion' is termed as the Filtration None of these Flocculation Sedimentation Filtration None of these Flocculation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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