Mechanical Operations A screen is said to be blinded, when the Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen is plugged with solid particles Screen capacity is abruptly increased Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen is plugged with solid particles Screen capacity is abruptly increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is Recovery None of these Recovery/rejection Rejection Recovery None of these Recovery/rejection Rejection ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Neither A nor B Grinding element & the housing Feed particles Both A & B Neither A nor B Grinding element & the housing Feed particles Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Capacity Both A & B Neither A nor B Reduction ratio Capacity Both A & B Neither A nor B Reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following clay mixing devices is vacuum operated for deairation of clay? Muller-mixer Banbery mixer None of these Pug mill Muller-mixer Banbery mixer None of these Pug mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 0.5 Wi 3.34 Wi Wi 1.34 Wi 0.5 Wi 3.34 Wi Wi 1.34 Wi ANSWER DOWNLOAD EXAMIANS APP
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