Mechanical Operations Filter medium resistance is important during the __________ of filtration. Entire process None of these Final stages Early stages Entire process None of these Final stages Early stages ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is Independent of pressure drop Important in the beginning of filtration Decreased with the time of filtration None of these Independent of pressure drop Important in the beginning of filtration Decreased with the time of filtration None of these 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 Concentrate Tailing Middling None of these Concentrate Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is None of these Flocculation Jigging & tabling Froth floatation None of these Flocculation Jigging & tabling Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.5 0.58 0.68 0.62 0.5 0.58 0.68 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Neither A nor B Cage Hammer Both A & B Neither A nor B Cage Hammer Both A & B ANSWER DOWNLOAD EXAMIANS APP