Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) AD/V π(=A/D²) π/6(=V/D³) None of these AD/V π(=A/D²) π/6(=V/D³) None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Bucket elevator Apron conveyor Both B & C Pneumatic conveyor Bucket elevator Apron conveyor Both B & C Pneumatic conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Attrition Cutting Impact Compression Attrition Cutting Impact Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following screens has the maximum capacity? Shaking screen Grizzlies Vibrating screen Trommels Shaking screen Grizzlies Vibrating screen Trommels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Can not be operated under pressure/vacuum Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Can not be operated under pressure/vacuum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Remains unchanged May increase or decrease; depends on the machine Decreases Increases Remains unchanged May increase or decrease; depends on the machine Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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