Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V V/D.S V/6D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Belt conveyor Pneumatic conveyor Screw conveyor Apron conveyor Belt conveyor Pneumatic conveyor Screw conveyor Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Cyclone separator Strainer Electrostatic precipitator None of these Cyclone separator Strainer Electrostatic precipitator None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions No units (dimensionless) KWh.m1/2/ton KWh/ton KW/ton No units (dimensionless) KWh.m1/2/ton KWh/ton KW/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Disk-bowl Neither A nor B Ultra Both A & B Disk-bowl Neither A nor B Ultra Both A & B ANSWER DOWNLOAD EXAMIANS APP
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