Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Precoat filter Sparkler filter Sharpies supercentrifuge Disc-bowl centrifuge Precoat filter Sparkler filter Sharpies supercentrifuge Disc-bowl centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Perforated horizontal basket continuous Tubular bowl Suspended batch basket Disc-bowl Perforated horizontal basket continuous Tubular bowl Suspended batch basket Disc-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Free flowing Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Free flowing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Speed of the centrifuge Formation of highly porous cake Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Speed of the centrifuge Formation of highly porous cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Turbine agitators None of these Propellers Multiple blade paddles Turbine agitators None of these Propellers Multiple blade paddles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 40° 46° 32° 16° 40° 46° 32° 16° ANSWER DOWNLOAD EXAMIANS APP
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