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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.

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

Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?

A n-paraffins

B Olefins

C Aromatics

D None of these

Review Detailed Answer

Correct Answer: Aromatics

The most commonly used feed stock for the reforming reactor is ___________________?

A Heavy fuel oil

B Residuum

C Straight run gasoline

D Casing head gasoline

Review Detailed Answer

Correct Answer: Straight run gasoline

Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?

A 1

B 5

C 15

D 25

Review Detailed Answer

Correct Answer: 5

Octane number of gasoline is a measure of its__________________?

A Resistance to knock

B Ignition delay

C Ignition temperature

D Smoke point

Review Detailed Answer

Correct Answer: Resistance to knock

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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?

Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?

The most commonly used feed stock for the reforming reactor is ___________________?

Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?

Octane number of gasoline is a measure of its__________________?