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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.

Pick out the correct statement about catalytic polymerisation ?

A H2SO4 polymerisation process gives gasoline rich in unsaturates

B In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho

Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene ?

A Reforming

B Pyrolysis

C Alkylation

D Hydrocracking

Review Detailed Answer

Correct Answer: Reforming

Cetane number of diesel used in trucks may be about __________________?

A 50

B 14

C 35

D 85

Review Detailed Answer

Correct Answer: 50

With increase in density, the viscosity of petroleum products _____________________?

A Increases

B Decreases

C Remain same

D Either A. or B.

Review Detailed Answer

Correct Answer: Increases

Visbreaking process is used mainly for making_________________?

A High cetane diesel

B High octane gasoline

C Fuel oil

D Smoke free kerosene

Review Detailed Answer

Correct Answer: Fuel oil

Mercaptans are added to liquefied petroleum gas (LPG) to _____________________ ?

A Reduce its cost

B Narrow down its explosion limit

C Assist in checking its leakage from cylinder

D Increase its calorific value

Review Detailed Answer

Correct Answer: Assist in checking its leakage from cylinder

Research octane number refers to the___________________?

A Low octane number motor fuels

B High octane number motor fuels

C High octane number aviation fuels

D Unleaded motor fuels

Review Detailed Answer

Correct Answer: Unleaded motor fuels

Which of the following is used as a catalyst in fluidised bed catalytic cracking ?

A Silica-magnesia

B Silica-alumina

C Bentonite clays

D All A., B. and C.

Review Detailed Answer

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

Aniline point is the _________________?

A Characteristic property of diesel & lubricating oils

B Measure of aromatic content of oil

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?

A 5

B 10

C 25

D 100

Review Detailed Answer

Correct Answer: 5

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Pick out the correct statement about catalytic polymerisation ?

Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene ?

Cetane number of diesel used in trucks may be about __________________?

With increase in density, the viscosity of petroleum products _____________________?

Visbreaking process is used mainly for making_________________?

Mercaptans are added to liquefied petroleum gas (LPG) to _____________________ ?

Research octane number refers to the___________________?

Which of the following is used as a catalyst in fluidised bed catalytic cracking ?

Aniline point is the _________________?

Raw Kerosene has a smoke point of 15 mm. After it is subjected to dearomatization by liquid SO2 extraction (Edeleanu process), its smoke point may become _______________________ mm?