Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 500 5 5000 50 500 5 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding All of these Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding All of these Its capacity decreases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Both A & B Cake becomes very dense Liquor stops flowing out to the discharge Filtration pressure rises suddenly Both A & B Cake becomes very dense Liquor stops flowing out to the discharge Filtration pressure rises suddenly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Sand bed filter Batch basket centrifuge Vacuum filter Plate and frame filter press Sand bed filter Batch basket centrifuge Vacuum filter Plate and frame filter press ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A cottrel precipitator makes use of the __________ for dusty air cleaning. Corrona discharge Alternating current Electric spark None of these Corrona discharge Alternating current Electric spark None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Dry Intermediate Wet Ultrafine Dry Intermediate Wet Ultrafine ANSWER DOWNLOAD EXAMIANS APP