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 1 μm/s 0.02 μm/s 22.1 μm/s 0.90 μm/s 1 μm/s 0.02 μm/s 22.1 μm/s 0.90 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by None of these Turbine agitators Multiple blade paddles Propellers None of these Turbine agitators Multiple blade paddles Propellers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 50 0.014 0.3 0.007 50 0.014 0.3 0.007 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Agitated mills and fluid energy mills Toothed roll crusher Hammer mills with internal classification Micronizers Agitated mills and fluid energy mills Toothed roll crusher Hammer mills with internal classification Micronizers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt. None of these Length Thickness Speed None of these Length Thickness Speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the final product size depends on the Rotor speed Clearance between hammer & grinding plates All of these Feed rate Rotor speed Clearance between hammer & grinding plates All of these Feed rate ANSWER DOWNLOAD EXAMIANS APP
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