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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

Gum formation in stored gasoline is mainly due to the ____________________?

A Alkylation of unsaturated

B Presence of sulphur

C Oxidation & polymerisation of unsaturated

D Higher aromatic content

Review Detailed Answer

Correct Answer: Presence of sulphur

Smoke point of a good burning kerosene may be around _______________ mm?

A 0-5

B 20-25

C 60-75

D 100-120

Review Detailed Answer

Correct Answer: 20-25

Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl isobutyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the____________________?

A Elimination of solvent drying facility

B Higher nitration temperature

C Lower solvent dilution ratio

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

Which of the following has the highest flash point of all ?

A Diesel

B Kerosene

C Petrol

D Furnace oil

Review Detailed Answer

Correct Answer: Furnace oil

Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about _______________ °C ?

A 50

B 70

C 90

D 140

Review Detailed Answer

Correct Answer: 90

Which of the following is a Naphthene ?

A Butene

B Butadiene

C Cyclohexane

D Acetylene

Review Detailed Answer

Correct Answer: Cyclohexane

Which is almost absent in crude petroleum ?

A Olefins

B Mercaptans

C Naphthenes

D Cycloparaffins

Review Detailed Answer

Correct Answer: Mercaptans

Hydrocracking employs ___________________?

A High pressure & temperature

B Low pressure & temperature

C High pressure and low temperature

D High temperature and low pressure

Review Detailed Answer

Correct Answer: High pressure & temperature

Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic____________________?

A Cracking

B Polymerisation

C Reforming

D Isomerisation

Review Detailed Answer

Correct Answer: Reforming

‘Solvent naphtha’ used mostly as a solvent in paints and perfumery is produced by the _________________ of virgin naphtha into small boiling range cuts?

A Steam reforming

B Distillation

C Desulphurisation

D None of these

Review Detailed Answer

Correct Answer: Distillation

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Gum formation in stored gasoline is mainly due to the ____________________?

Smoke point of a good burning kerosene may be around _______________ mm?

Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl isobutyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the____________________?

Which of the following has the highest flash point of all ?

Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about _______________ °C ?

Which of the following is a Naphthene ?

Which is almost absent in crude petroleum ?

Hydrocracking employs ___________________?

Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic____________________?

‘Solvent naphtha’ used mostly as a solvent in paints and perfumery is produced by the _________________ of virgin naphtha into small boiling range cuts?