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.

Which of the following tests is not done for transformer oil ?

A Flash point and acid value

B Aniline point

C Dielectric strength

D Copper strip corrosion test

Review Detailed Answer

Correct Answer: Aniline point

Petrolatum is__________________?

A Same as petroleum ether

B Petroleum coke

C A mixture of microcrystalline wax in viscous hydrocarbon liquids

D None of these

Review Detailed Answer

Correct Answer: A mixture of microcrystalline wax in viscous hydrocarbon liquids

Extractor temperature is maintained at -20°C in Edeleanu process to reduce the ______________ of kerosene?

A Smoke point

B Paraffins

C Aromatics

D Naphthenes

Review Detailed Answer

Correct Answer: Paraffins

Most widely used solvent for dewaxing is__________________?

A Methyl-ethyl-ketone (MEK)

B Naphtha

C Petroleum ether

D Sodium plumbite

Review Detailed Answer

Correct Answer: Methyl-ethyl-ketone (MEK)

Which of the following is not a sulphur compound present in petroleum ?

A Thiophenes

B Mercaptans

C Sulphones

D Pyrroles

Review Detailed Answer

Correct Answer: Pyrroles

Pour point of a petrofuel is________________?

A Multiple of 3°F

B Multiple of 5°F

C 5°C below the temperature at which oil ceases to flow

D None of these

Review Detailed Answer

Correct Answer: 5°C below the temperature at which oil ceases to flow

Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about ________________ of that of water (i.e. 1 gm/c.c)?

A One fourth

B One third

C Half

D One eighth

Review Detailed Answer

Correct Answer: Half

Higher pressure in the reforming reactor________________?

A Increases coke formation

B Increases the rate of reaction

C Produces high octane number gasoline

D None of these

Review Detailed Answer

Correct Answer: None of these

_____________ base crude oil is also called asphaltic crude?

A Paraffinic

B Naphthenic

C Mixed

D Aromatic

Review Detailed Answer

Correct Answer: Naphthenic

The most suitable solvent for deasphalting vacuum residue is_____________________?

A Propane

B Methyl ethyl ketone

C Doctor’s solution

D Methanol amine

Review Detailed Answer

Correct Answer: Methyl ethyl ketone

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following tests is not done for transformer oil ?

Petrolatum is__________________?

Extractor temperature is maintained at -20°C in Edeleanu process to reduce the ______________ of kerosene?

Most widely used solvent for dewaxing is__________________?

Which of the following is not a sulphur compound present in petroleum ?

Pour point of a petrofuel is________________?

Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about ________________ of that of water (i.e. 1 gm/c.c)?

Higher pressure in the reforming reactor________________?

_____________ base crude oil is also called asphaltic crude?

The most suitable solvent for deasphalting vacuum residue is_____________________?