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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

Schmidt number is given by ___________________?
A μ/ρDAB
B Re × Pe
C Sh × Pe
D Re/Pe
Correct Answer: μ/ρDAB
_______________ developed the film theory ?
A Higbie
B Fick
C Ergun
D Levenspiel
Correct Answer: Higbie
Stacked packing compared to dumped packing_________________?
A Provides poorer contact between the fluids
B Gives lower pressure drop
C Both A. and B.
D Gives higher pressure drop
Correct Answer: Both A. and B.
A packed tower compared to a plate tower for a particular mass transfer operation__________________?
A Incurs smaller pressure drop
B Allows installation of cooling coils
C Is less costly when built in large sizes/diameters
D Is more suitable, if suspended solids are present in fluid streams
Correct Answer: Incurs smaller pressure drop
Raoult’s law applies to the___________________?
A All liquid solutions
B Non-ideal solution only
C Non-volatile solute
D Solvents
Correct Answer: Solvents
Which of the following is an undesirable property for an absorbing solvent ?
A Low vapour pressure
B Low velocity
C Low freezing point
D None of these
Correct Answer: None of these
Langmuir equation is associated with________________________?
A Leaching
B Adsorption
C Steam distillation
D Multi-component absorption
Correct Answer: Adsorption
Radioactive nuclear waste is treated in____________________?
A Mixer-settler extractor
B Rotating-disc contactor
C Pulsed column extractor
D Bollman extractor
Correct Answer: Pulsed column extractor
In case of an absorber, the operating _______________?
A Line always lies above the equilibrium curve
B Line always lies below the equilibrium curve
C Line can be either above or below the equilibrium curve
D Velocity is more than the loading velocity
Correct Answer: Line always lies above the equilibrium curve
For continuous drying of granular or crystalline material, the dryer used is the _______________ dryer?
A Tunnel
B Tray
C Rotary
D None of these
Correct Answer: Rotary
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