Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Baum jig washer Froth floatation Trough washer Spiral separator Baum jig washer Froth floatation Trough washer Spiral separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Feed particles Both A & B Neither A nor B Grinding element & the housing Feed particles Both A & B Neither A nor B Grinding element & the housing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Plate and flame filter Leaf filter (Moore filter) Rotary drum filter Sand filter Plate and flame filter Leaf filter (Moore filter) Rotary drum filter Sand filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Activator Collector Modifier Frother Activator Collector Modifier Frother ANSWER DOWNLOAD EXAMIANS APP
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. 5000 50 500 5 5000 50 500 5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Metal cloth of monel or stainless steel Cotton fabric Nylon Glass cloth Metal cloth of monel or stainless steel Cotton fabric Nylon Glass cloth ANSWER DOWNLOAD EXAMIANS APP
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