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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.

Water content in the crude oil as it comes out of oil well may be upto ______________ percent?

A 2

B 5

C 10

D 25

Review Detailed Answer

Correct Answer: 2

Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________________?

A More than 100

B Round about 100

C Between 50 and 100

D Less than 25

Review Detailed Answer

Correct Answer: More than 100

Aniline point is the temperature at which___________________?

A Equal weight of diesel & the aniline are completely miscible

B Equal weight of aniline & the test sample are completely miscible

C Equal volume of aniline & the test sample are completely miscible

D Aniline vaporises

Review Detailed Answer

Correct Answer: Equal volume of aniline & the test sample are completely miscible

Asphalts are _________________?

A Low molecular weight & low boiling point compounds present in petroleum

B Desirable in catalytic cracking feedstock, because they produce coke

C Readily oxidisable and form carbonaceous sludge

D All A., B. & C.

Review Detailed Answer

Correct Answer: Readily oxidisable and form carbonaceous sludge

“Breathing loss” on storage of gasoline occurs due to the _____________________?

A Presence of unsaturated air

B Fluctuation of ambient temperature during day and night

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Fluctuation of ambient temperature during day and night

Thermofor catalytic cracking process is a ______________ process?

A Fixed bed

B Moving bed

C Fluidised bed

D Non-catalytic

Review Detailed Answer

Correct Answer: Non-catalytic

________________ treatment is done for appreciable improvement in viscosity index of lubricating oil?

A Acid

B Solvent extraction

C Alkali

D Clay

Review Detailed Answer

Correct Answer: Solvent extraction

Water separometer index (modified) (WSIM) of a petrofuel is the measure of its____________________?

A Emulsification tendency

B Water separation characteristics

C Water content

D Water absorbing capacity from atmosphere

Review Detailed Answer

Correct Answer: Water separation characteristics

Sweetening of petroleum product means the removal of ______________________?

A Sulphur & its compounds

B Water

C Organic impurities

D Wax

Review Detailed Answer

Correct Answer: Sulphur & its compounds

Aniline point of high speed diesel may be about ____________ °C ?

A 35

B 70

C 105

D 150

Review Detailed Answer

Correct Answer: 70

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Water content in the crude oil as it comes out of oil well may be upto ______________ percent?

Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________________?

Aniline point is the temperature at which___________________?

Asphalts are _________________?

“Breathing loss” on storage of gasoline occurs due to the _____________________?

Thermofor catalytic cracking process is a ______________ process?

________________ treatment is done for appreciable improvement in viscosity index of lubricating oil?

Water separometer index (modified) (WSIM) of a petrofuel is the measure of its____________________?

Sweetening of petroleum product means the removal of ______________________?

Aniline point of high speed diesel may be about ____________ °C ?