200 mesh screen means 200 openings per_____________________?
200 mesh screen means 200 openings per_____________________?
A. cm2
B. cm
C. inch
D. inch2
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Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is________________?
Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is________________?A. > 10
B. < 10
C. > 100
D. < 100Tabular bowl centrifuges as compared to disk bowl centrifuges___________________?
Tabular bowl centrifuges as compared to disk bowl centrifuges___________________?A. Operate at higher speed
B. Employ bowl of larger diameter
C. Can’t be operated under pressure/vacuum
D. Can’t be used for separation of fine suspended solids from a liquidDry powdery solid materials are transported by a ______________ conveyor?
Dry powdery solid materials are transported by a ______________ conveyor?A. Belt
B. Bucket
C. Screw
D. None of theseNumber of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) ?
Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) ?A. m/ρ . Vp
B. m . ρ/Vp
C. m . Vp/ρ
D. Vp/m . ρWhich of the following is a coarse crusher ?
Which of the following is a coarse crusher ?A. Smooth roll crusher
B. Toothed roll crusher
C. Gyratory crusher
D. Tube millWhich of the following mechanical conveyors does not come under the division „carriers‟ ?
Which of the following mechanical conveyors does not come under the division „carriers‟ ?A. Belt conveyor
B. Bucket elevator
C. Screw conveyor
D. Apron conveyor