Chemical Engineering MCQs

A. Pressure drop & area of filtering surface
B. Resistance of the cake & the septum
C. Properties of the cake & the filtrate
D. None of these

A. Less than
B. Much more than
C. At least equal to
D. Slightly more than

A. Conditioner
B. Frother
C. Collector
D. Activator

A. Cake becomes very dense
B. Liquor stops flowing out to the discharge
C. Filtration pressure rises suddenly
D. Both b. & c.

A. 5-10
B. 10-20
C. 20-40
D. As high as 100

A. Smooth roll crusher
B. Toothed roll crusher
C. Gyratory crusher
D. Tube mill

A. Banbury
B. Pug mill
C. Tumbling
D. Pan

A. Plug
B. Turbulent
C. Laminar
D. None of these

A. Elasticity
B. Hardness
C. Toughness
D. Size

A. Gross energy (kwh/ton of feed) needed to reduce very large feed to such a size that 80% of
The product passes through a 100 micron screen
B. Energy needed to crush one tonne of feed to 200 microns
C. Energy (kwh/ton of feed) needed to crush small feed to such a size that 80% of the product