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.

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
Sour crude means the ________________ bearing crude?
A Asphalt
B Sulphur compounds
C Wax
D Nitrogen compounds
Correct Answer: Sulphur compounds
Quinoline is a/an ________________ compound ?
A Sulphur
B Nitrogen
C Oxygen
D None of these
Correct Answer: Nitrogen
During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?
A Decreases
B Increases
C Remains unchanged
D Decreases linearly
Correct Answer: Increases
Tetra-ethyl lead is added in gasoline to ______________________?
A Increase its smoke point
B Reduce gum formation
C Reduce the pour point
D Increase its octane number
Correct Answer: Increase its smoke point