Chemical Engineering MCQs

A. 24
B. 74
C. 154
D. 200

A. Panning
B. Spiralling
C. Tabling
D. None of these

A. Sharpies centrifuge
B. Vibrating screen
C. Grizzly
D. Trommel

A. Propellers
B. Turbine agitators
C. Multiple blade paddles
D. None of these

A. Stainless steel
B. Cast iron
C. High speed steel
D. Wooden plank

A. 16°
B. 32°
C. 40°
D. 46°

A. Resins
B. Gums
C. Hard rubber
D. Waxes

A. Linear speed of the basket is doubled
B. Linear speed of the basket is halved
C. Centrifugal force is doubled
D. Capacity of centrifuge is increased

A. 0.01 to 0.1
B. 0.1 to 0.3
C. 0.2 to 0.8
D. 0.2 to 0.4

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 liquid