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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

Smoke point of kerosene is the_______________?
A Time after which smoking starts on burning
B Temperature at which smoking starts
C Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp
D None of these
Correct Answer: Temperature at which smoking starts
Which of the following petroleum products contain minimum sulphur ?
A Naphtha
B Kerosene
C LSHS
D Furnace oil
Correct Answer: Naphtha
Ethyl mercaptan is a/an ___________________ compound?
A Sulphur
B Nitrogen
C Oxygen
D None of these
Correct Answer: Sulphur
The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to ____________________?
A Obviate catalyst poisoning
B Maintain the reaction temperature
C Sustain the reactor pressure
D Hydrogenate the feed stock
Correct Answer: Sustain the reactor pressure
Electrical desalting of crude oil removes the _______________ impurities?
A Oleophilic
B Oleophobic
C Both A. and B.
D Neither A. nor B.
Correct Answer: Oleophobic
Increase in the specific gravity of petroleum products indicates________________?
A Decrease in paraffin content
B Increase in thermal energy per unit weight
C Increase in aromatic content
D Higher H/C ratio
Correct Answer: Decrease in paraffin content
The average boiling point of aviation turbine fuel is closest to that of__________________?
A Lubricating oils
B LPG
C Diesel
D Kerosene
Correct Answer: Kerosene
Aromatics are desired constituents of____________________?
A Lubricating oil
B Diesel
C Kerosene
D Petrol
Correct Answer: Petrol
Testing of the knocking characteristics of petrofuels is done in a _________________ engine ?
A Carnot
B CFR (Co-operative fuel research)
C Stirling
D Diesel
Correct Answer: CFR (Co-operative fuel research)
The solvent used in Barisol dewaxing process is_____________________?
A Hexane
B Furfural
C Benzol and ethylene dichloride
D Methyl ethyl ketone (MEK)
Correct Answer: Benzol and ethylene dichloride
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