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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.

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

In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen_________________?

A Enhances the desulphurisation process

B Minimises coke formation

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Alkylation_____________________?

A Causes olefins to combine with each other

B Causes olefins to combine with iso-paraffins

C Converts iso-paraffin into olefin

D Converts olefin into paraffin

Review Detailed Answer

Correct Answer: Causes olefins to combine with iso-paraffins

Illuminating characteristics of kerosene is expressed by its_____________?

A Smoke point

B Aniline point

C Luminosity number

D Aromatic content

Review Detailed Answer

Correct Answer: Luminosity number

Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about ______________ kg/cm2?

A 1.5

B 3

C 6

D 12

Review Detailed Answer

Correct Answer: 3

Crude oil produced by Indian oil fields are predominantly _______________ in nature?

A Paraffinic

B Naphthenic

C Asphaltic

D Mixed base

Review Detailed Answer

Correct Answer: Asphaltic

Complete removal of _____________ from gasoline is done by Unisol process using caustic soda and methyl alcohol?

A Waxes

B Mercaptans

C Asphalt

D Diolefins

Review Detailed Answer

Correct Answer: Mercaptans

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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__________________?

In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen_________________?

Alkylation_____________________?

Illuminating characteristics of kerosene is expressed by its_____________?

Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about ______________ kg/cm2?

Crude oil produced by Indian oil fields are predominantly _______________ in nature?

Complete removal of _____________ from gasoline is done by Unisol process using caustic soda and methyl alcohol?