Mechanical Operations Which of the following is not a wet classifier? Sharpies supercentrifuge None of these Dorr Oliver rake classifier Hydrocyclones Sharpies supercentrifuge None of these Dorr Oliver rake classifier Hydrocyclones 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? 32° 16° 46° 40° 32° 16° 46° 40° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for American standard screens (ASTM and Tyler standard screens) All of these British standard screens German standard screens (DIN 1171) etc American standard screens (ASTM and Tyler standard screens) All of these British standard screens German standard screens (DIN 1171) etc ANSWER DOWNLOAD EXAMIANS APP
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 Fibrous material is broken by a Ball mill Squirrel-cage disintegrator Rollcrusher Tube mill Ball mill Squirrel-cage disintegrator Rollcrusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Decrease the pressure drop Increase the porosity of the cake Act as a support base for the septum Increase the rate of filtration Decrease the pressure drop Increase the porosity of the cake Act as a support base for the septum Increase the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
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