Mechanical Operations In case of grinding in a ball mill Grinding cost and power requirement increases with increasing fineness of the products All of these Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products All of these Its capacity decreases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the final product size depends on the All of these Rotor speed Clearance between hammer & grinding plates Feed rate All of these Rotor speed Clearance between hammer & grinding plates Feed rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge 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. None of these Tailing Middling Concentrate None of these Tailing Middling Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Specific surface ratio Sauter diameter Shape factor Surface area per unit mass Specific surface ratio Sauter diameter Shape factor Surface area per unit mass ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.5 to 1.5 2 to 3.5 0.01 to 0.1 4 to 5 0.5 to 1.5 2 to 3.5 0.01 to 0.1 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS