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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.

Pressure & temperature maintained in catalytic cracking is about__________________?

A 2 atm & 500°C

B 10 atm & 500°C

C 30 atm & 200°C

D 50 atm & 750°C

Review Detailed Answer

Correct Answer: 2 atm & 500°C

In catalytic cracking, the___________________?

A Gasoline obtained has a very low octane number

B Pressure & temperature is very high

C Gasoline obtained has very high aromatic content

D Gasoline obtained has very high amount of gum forming compounds

Review Detailed Answer

Correct Answer: Gasoline obtained has very high aromatic content

Carbon percentage (by weight) in crude petroleum may be about_________________?

A 65

B 75

C 85

D 95

Review Detailed Answer

Correct Answer: 85

CnH2n is the general formula for_______________?

A Olefins

B Naphthenes

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Which of the following has maximum hydrogen/carbon ratio (by weight) ?

A Naphtha

B Gasoline

C Diesel

D Fuel oil

Review Detailed Answer

Correct Answer: Gasoline

Naphtha yield in straight run distillation of crude oil may be about _______________ percent?

A 2

B 6

C 12

D 18

Review Detailed Answer

Correct Answer: 6

Older crude petroleum __________________?

A Is light and better

B Gives more distillates

C Gives less tar

D All A., B. and C.

Review Detailed Answer

Correct Answer: Gives more distillates

Pick out the undesirable property for a solvent meant for dewaxing of lube oil ?

A Complete miscibility with oil

B High solubility of wax in the solvent

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

In sweetening process, solutizer agent used with caustic alkali is_______________?

A Potassium isobutyrate

B Sodium plumbite

C Methanol

D Phenol

Review Detailed Answer

Correct Answer: Potassium isobutyrate

Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is________________?

A 4

B 3

C 2

D 1

Review Detailed Answer

Correct Answer: 4

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Pressure & temperature maintained in catalytic cracking is about__________________?

In catalytic cracking, the___________________?

Carbon percentage (by weight) in crude petroleum may be about_________________?

CnH2n is the general formula for_______________?

Which of the following has maximum hydrogen/carbon ratio (by weight) ?

Naphtha yield in straight run distillation of crude oil may be about _______________ percent?

Older crude petroleum __________________?

Pick out the undesirable property for a solvent meant for dewaxing of lube oil ?

In sweetening process, solutizer agent used with caustic alkali is_______________?

Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is________________?