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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

Polymerisation__________________?
A Produces i-octane from cracked gases containing i-butane and butene
B Causes olefins to combine with each other
C Causes aromatics to combine with each other
D Is aimed at producing lubricating oil
Correct Answer: Causes olefins to combine with each other
Which of the following constituents present in petroleum is responsible for ash formation ?
A Nitrogen compounds
B Organometallic compounds
C Sulphur compounds
D Oxygen compounds
Correct Answer: Sulphur compounds
Aniline point is a property of the__________________?
A Diesel
B LPG
C Naphtha
D Gasoline
Correct Answer: Naphtha
Clay treatment of petroleum products __________________?
A Decolorizes & stabilises cracked gasoline
B Desulphurise straight run gasoline & kerosene
C Adsorb arsenic from feedstock to catalytic reforming
D All A., B. & C.
Correct Answer: All A., B. & C.
The main reaction in reforming is the _____________________?
A Dehydrogenation of naphthenes
B Hydrogenation of naphthenes
C Hydrocracking of paraffins
D Saturation of olefins
Correct Answer: Dehydrogenation of naphthenes
Percentage of straight run gasoline in a typical crude oil may be around________________?
A 6
B 18
C 38
D 52
Correct Answer: 52
Gasoline yield in catalytic reforming of naphtha may be about _________________ percent by weight?
A 85
B 65
C 50
D 98
Correct Answer: 85
The terminology used for the bottom most product from the vacuum crude distillation unit is______________?
A Residual crude
B Residuum
C Reduced crude
D Petrolatum
Correct Answer: Residuum
Waxes present in petroleum products_________________?
A Can be separated out by distillation
B Are not soluble in them
C Crystallise out at low temperature
D Decrease their viscosity
Correct Answer: Crystallise out at low temperature
Pyrolysis of kerosene or natural gasoline is done to produce mainly the___________________?
A Olefins and aromatics
B Lighter paraffins
C Stabilised gasoline
D Diesel
Correct Answer: Olefins and aromatics
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