Mechanical Operations The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a Boundary mixer Propeller agitator None of these Sharpies centrifuge Boundary mixer Propeller agitator None of these Sharpies centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Packed wet Co-current Hollow wet Venturi Packed wet Co-current Hollow wet Venturi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Sodium carbonate Calcium silicate Silica gel Diatomaceous earth Sodium carbonate Calcium silicate Silica gel Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Dp/Df Df - Dp None of these Df/Dp Dp/Df Df - Dp None of these Df/Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Neither A nor B Both A & B Pressure Rate Neither A nor B Both A & B Pressure Rate 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 = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = dp Sp/Vp Φs = 6 dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp ANSWER DOWNLOAD EXAMIANS APP
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