Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing machine capacity Decreasing size of product at constant size of feed Increasing size of feed at constant reduction ratio None of these Decreasing machine capacity Decreasing size of product at constant size of feed Increasing size of feed at constant reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 1.5 D 0.5 D D 2 D 1.5 D 0.5 D D 2 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Disc-bowl Perforated horizontal basket continuous Suspended batch basket Tubular bowl Disc-bowl Perforated horizontal basket continuous Suspended batch basket Tubular bowl 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 Neither A nor B Reduction ratio Both A & B Differential roll speed Neither A nor B Reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying pressure Constant pressure Constant rate Varying rate Varying pressure Constant pressure Constant rate Varying rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Suspending solid particles Dispersing gas in liquid Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion Suspending solid particles Dispersing gas in liquid Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion ANSWER DOWNLOAD EXAMIANS APP
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