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.

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is ______________ °C?
A 25
B 60-70
C 150-200
D 250-300
Correct Answer: 60-70
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?
A Brighten the faint images
B Remove metallic silver
C Convert silver chloride to silver
D Remove unexposed silver halide
Correct Answer: Remove unexposed silver halide
Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and___________________?
A Sulphuric acid
B Phosphoric acid
C Hydrochloric acid
D Hydrofluoric acid
Correct Answer: Sulphuric acid
Neoprene is chemically known as___________________?
A Polybutadiene
B Styrene butadiene rubber (SBR)
C Polyurethane
D Polychlorophrene
Correct Answer: Polychlorophrene
Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?
A Carbon
B Arsenic
C Lead
D Sulphur
Correct Answer: Arsenic
Fermentator temperature during production of alcohol from molasses is around ______________ °C?
A 5
B 30
C 130
D 300
Correct Answer: 30
Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda ?
A Diaphragm electrolytic cell process
B Mercury electrolytic cell process
C Lime-soda process
D None of these
Correct Answer: Lime-soda process
Raw materials used for producing ________________ cement does not contain iron oxide?
A Waterproof
B Slag
C White
D Pozzolan
Correct Answer: White
Cooking liquor in case of sulphite process is _____________________?
A Sodium sulphite and sodium bisulphite
B Magnesium sulphite and free SO2 in acid medium
C Magnesium sulphate and magnesium bicarbonate
D None of these
Correct Answer: Sodium sulphite and sodium bisulphite
Salt cake is chemically represented by_________________?
A Na2SO4
B CaSO4. ½H2O
C MgSO4
D BaSO4
Correct Answer: Na2SO4