Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Compartment mill Cage mill Rod mill Pebble mill Compartment mill Cage mill Rod mill Pebble mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D³ M ∝ D M ∝ D² M ∝ √D M ∝ D³ M ∝ D M ∝ D² M ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is halved Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill 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 Grinding cost and power requirement increases with increasing fineness of the products All of these Its capacity decreases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a Mixer-extruder Pug mill Muller mixer Banbury mixer Mixer-extruder Pug mill Muller mixer Banbury mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
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