Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N° N² N¹ N³ N° N² N¹ N³ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). 6.V/D.S V/6D.S S/V V/D.S 6.V/D.S V/6D.S S/V V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Intermediate Wet Ultrafine Dry Intermediate Wet Ultrafine Dry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust laden air can be purified using a Gravity settler Cyclone separator Bag filter Tubular centrifuge Gravity settler Cyclone separator Bag filter Tubular centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/hr-ft² Tons/hr Both A & B Tons/ft² Tons/hr-ft² Tons/hr Both A & B Tons/ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Both B and C Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium Is a ball mill Both B and C Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium Is a ball mill ANSWER DOWNLOAD EXAMIANS APP
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