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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

Flash point of an oil gives an idea of the___________________?
A Nature of boiling point diagram of the system
B Amount of low boiling fraction present
C Explosion hazards
D All A., B. and C.
Correct Answer: Nature of boiling point diagram of the system
Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about ________________ ppm?
A 1
B 50
C 5000
D 10000
Correct Answer: 50
The reservoir rock containing petroleum has_________________?
A Low porosity
B High permeability
C High porosity
D Both B. and C.
Correct Answer: Both B. and C.
Which is an anticing compound ?
A Amyl nitrate
B Alcohols
C Mercaptans
D Pyridine
Correct Answer: Alcohols
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
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