Mechanical Operations Use of grinding aids results in the Enhanced production rate Neither A nor B Finer products Both A & B Enhanced production rate Neither A nor B Finer products Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Packed wet Hollow wet Venturi Co-current Packed wet Hollow wet Venturi Co-current 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 0.68 0.58 0.62 0.5 0.68 0.58 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is None of these Recovery Recovery/rejection Rejection None of these Recovery Recovery/rejection Rejection 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 Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is >10 >100 >10 >100 ANSWER DOWNLOAD EXAMIANS APP