Mechanical Operations In case of a hammer crusher, the Minimum product size is 3 mm Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Rotor shaft carrying hammers can be vertical or horizontal Minimum product size is 3 mm Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Rotor shaft carrying hammers can be vertical or horizontal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Cast iron Elliptical Maximum size Minimum size Cast iron Elliptical Maximum size Minimum size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 6/D.p 12/D.p 4/D.p 2/D.p 6/D.p 12/D.p 4/D.p 2/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The speed of a rotary drum vacuum filter may be about __________ rpm. 500 1 100 50 500 1 100 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Rod mill Pebble mill Cage mill Compartment mill Rod mill Pebble mill Cage mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
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