Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main differentiation factor between tube mill and ball mill is the Operating speed Length to diameter ratio Size of the grinding media Final product size Operating speed Length to diameter ratio Size of the grinding media Final product size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Middling None of these Tailing Concentrate Middling None of these Tailing Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Neither A nor B Hammer Both A & B Cage Neither A nor B Hammer Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Asbestos & mica Non-metallic ores Metalliferrous ores Basic slags Asbestos & mica Non-metallic ores Metalliferrous ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fibrous material is broken by a Squirrel-cage disintegrator Tube mill Ball mill Rollcrusher Squirrel-cage disintegrator Tube mill Ball mill Rollcrusher ANSWER DOWNLOAD EXAMIANS APP
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