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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Tea percolation employs___________________________?
A Liquid-liquid extraction
B Leaching
C Absorption
D None of these
Correct Answer: Leaching
The equipment used in the extraction of highly corrosive radioactive liquids is_______________________?
A Pulse column
B Spray column
C Mixer settler
D Baffle tower
Correct Answer: Pulse column
With increase in temperature, the solubility of gases in liquids, at fixed pressure____________________?
A Increases
B Decreases
C Remain same
D Either A. or B., depends on the system
Correct Answer: Decreases
Degree of freedom for leaching and solvent extraction process is_____________________?
A 0
B 1
C 2
D 3
Correct Answer: 3
Unit operation involved in the prilling of urea is_____________________?
A Evaporation
B Drying
C Crystallisation
D Both B. and C.
Correct Answer: Both B. and C.
In physical terms, Schmidt number means _________________?
A Thermal diffusivity/mass diffusivity
B Thermal diffusivity/momentum diffusivity
C Momentum diffusivity/mass diffusivity
D Mass diffusivity/thermal diffusivity
Correct Answer: Momentum diffusivity/mass diffusivity
At __________________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation?
A Operating
B Total
C Minimum
D Maximum permissible
Correct Answer: Total
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________________ its relative saturation?
A Lower than
B Higher than
C Equal to
D Either A. or B., depends on the mixture composition
Correct Answer: Lower than
Flash distillation is suitable for separating the constituents of a binary system, which _____________________?
A Form minimum boiling azeotrope
B Have very wide boiling points
C Have very close boiling points
D Form constant boiling azeotrope
Correct Answer: Have very wide boiling points
In which of the following unit operations, the selectivity is an important parameter ?
A Distillation
B Solvent extraction
C Absorption
D None of these
Correct Answer: Solvent extraction
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