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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

Triple superphosphate is manufactured by reacting ____________________?
A Phosphate rock with phosphoric acid
B Phosphate rock with sulphuric acid
C Phosphate rock with nitric acid
D Ammonium phosphate with phosphoric acid
Correct Answer: Phosphate rock with phosphoric acid
Average sulphur content in Indian pyrites is about _________________ percent?
A 15
B 35
C 55
D 70
Correct Answer: 35
Poly Tetrafluoroethylene (P.T.F.E.) is known as___________________?
A Bakelite
B Teflon
C Celluloid
D Dacron
Correct Answer: Teflon
Ultimate analysis of coal determines its _______________________ content?
A Carbon, hydrogen, nitrogen & sulphur
B Carbon, ash, sulphur & nitrogen
C Carbon, sulphur, volatile matter & ash
D Carbon, volatile matter, ash & moisture
Correct Answer: Carbon, sulphur, volatile matter & ash
Presence of sodium tripolyphosphate (an additive) in synthetic detergent___________________?
A Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
B Inhibits its corrosive effects
C Does not allow redeposition of dirt on the cleaned surface
D None of these
Correct Answer: Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
The process used for the manufacture of ethyl alcohol from molasses is_________________?
A Distillation
B Dehydration
C Dehydrogenation
D None of these
Correct Answer: None of these
Adipic acid is an intermediate in the manufacture of________________?
A Perspex
B Nylon-66
C Polystyrene
D Bakelite
Correct Answer: Nylon-66
Alcohol percentage in molasses may be around _____________________?
A 10
B 40
C 70
D 85
Correct Answer: 40
Liquefaction of gases cannot be done by___________________?
A Exchange of heat with colder stream
B Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
C Merely compressing it beyond critical pressure
D Adiabatic expansion against a piston or in a turbine
Correct Answer: Merely compressing it beyond critical pressure
Cumene is the starting material for the production of________________?
A Benzoic acid
B Phenol and acetone
C Isoprene
D Styrene
Correct Answer: Phenol and acetone
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