Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Increasing size of feed at constant reduction ratio None of these Decreasing machine capacity Decreasing size of product at constant size of feed Increasing size of feed at constant reduction ratio None of these Decreasing machine capacity Decreasing size of product at constant size of feed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Diatomaceous earth is a/an Filter aid Catalyst Filter medium Explosive Filter aid Catalyst Filter medium Explosive ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Maximum feed size determines the required roll diameter Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Impact None of these Vibratory Roll Impact None of these Vibratory Roll ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is Rejection None of these Recovery/rejection Recovery Rejection None of these Recovery/rejection Recovery ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is √2 1 √3 0.5 √2 1 √3 0.5 ANSWER DOWNLOAD EXAMIANS APP
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