Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Size enlargement Humidification Agitation Filtration Size enlargement Humidification Agitation Filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sparkler filter Precoat filter Disc-bowl centrifuge Sharpies supercentrifuge Sparkler filter Precoat filter Disc-bowl centrifuge Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Cyclone separator between mill & classifier Neither A nor B Classifier Both A & B Cyclone separator between mill & classifier Neither A nor B Classifier Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction mechanism used in Jaw crushers is Attrition Compression Cutting Impact Attrition Compression Cutting Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = 6 Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = Vp/dp sp Φs = 6 Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing ANSWER DOWNLOAD EXAMIANS APP
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