M C Q s D r i v e

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.

Sodium salt of higher molecular weight fatty acid is termed as the ______________________ soap?
A Hard
B Soft
C Metallic
D Lubricating
Correct Answer: Soft
Pick out the wrong statement pertaining to solvent extraction of oil. Rate of extraction__________________?
A Decreases with decrease of thickness of the flakes
B Increases with the increasing flake size keeping the flake thickness constant
C Increases considerably with the rise of temperature
D Decreases as the moisture content of flakes increases
Correct Answer: Decreases as the moisture content of flakes increases
Hydrazine is largely used____________________?
A As a starting material for ‘hypo’
B In photographic industry
C As rocket fuel
D In printing industry
Correct Answer: As rocket fuel
Vulcanisation of rubber____________________?
A Decreases its tensile strength
B Increases its ozone & oxygen reactivity
C Increases its oil & solvent resistance
D Converts its plasticity into elasticity
Correct Answer: Converts its plasticity into elasticity
How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln ?
A 500°C
B 750°C
C 1000°C
D 1500°C
Correct Answer: 1000°C
______________ is produced using molasses as the starting raw material ?
A Methyl alcohol
B Ethyl alcohol
C Benzol
D Dimethyl ether
Correct Answer: Ethyl alcohol
Acetone is produced by catalytic dehydrogenation of_________________?
A Phenol
B Naphthalene
C Isopropanol
D Ethyl benzene
Correct Answer: Isopropanol
In the production of soda ash by Solvay process, the by-product is____________________?
A CaCl2
B NH4Cl
C NH3
D NaOH
Correct Answer: CaCl2
_____________ is used as a catalyst in fat splitting ?
A ZnO
B Ni
C V2O5
D FeO
Correct Answer: ZnO
Trinitrotoluene (TNT), an explosive, is made by the nitration of ____________________?
A Nitrobenzene
B Toluene
C Nitrotoluene
D Benzene
Correct Answer: Toluene