Chemical Engineering MCQs

6108 MCQs  (Page 175 of 611)

Attempt Chemical Engineering Quiz
Steady state equimolal counter diffusion is encountered in_____________________?
A. Separation of a binary mixture by distillation
B. Absorption of nh3 from air by water
C. All liquid-liquid diffusion systems
D. All liquid-solid diffusion systems
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Minimum reflux ratio in a distillation column results in__________________?
A. Optimum number of trays
B. Minimum reboiler size
C. Maximum condenser size
D. Minimum number of trays
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In case of unsaturated air____________________?
A. Dew point < wet bulb temperature
B. Wet bulb temperature < dry bulb temperature
C. Both a. and b.
D. Neither a. not b.
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In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of_________________?
A. 1.5
B. -0.6
C. -1.5
D. 0.6
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Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the ________________ temperature?
A. Dry-bulb
B. Wet-bulb
C. Dew point
D. Adiabatic saturation
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The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an ___________________?
A. Pure component
B. Binary mixture
C. Ternary mixture
D. Insoluble binary system
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Removal of ______________ exemplifies an adsorption unit operation?
A. Uranium from its ore
B. Water from petrol
C. Ammonia from coke oven gas
D. Mustard oil from mustard seed
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_______________ extractor is used for the concentration of radioactive nuclear waste?
A. Pulsed column
B. Sieve plate
C. Mixer-settler
D. Bollman
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Use of packed towers for distillation is generally limited to the____________________?
A. Small sizes
B. Multi-component distillation
C. High pressure operation
D. Vacuum distillation
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Paper industry employs _______________ driers?
A. Cylinder
B. Rotary
C. Spray
D. Fluidised bed
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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