M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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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.

Viscosity index of a lubricating oil_________________?

A Is the measure of its flash point
B Is the measure of variation of viscosity with temperature
C Should be low
D None of these
Correct Answer: Is the measure of variation of viscosity with temperature

Fuel oil is subjected to visbreaking to reduce its_______________?

A Pour point
B Viscosity
C Pressure drop on pumping
D All A., B. and C.
Correct Answer: All A., B. and C.

Both asphalt and wax are produced by ______________ base crude oils?

A Naphthenic
B Asphalt
C Paraffin
D Mixed
Correct Answer: Mixed

______________ converts n-paraffins to i-paraffins ?

A Alkylation
B Polymerisation
C Isomerisation
D None of these
Correct Answer: Isomerisation

A petroleum well is called ‘dry’, if it contains ____________________?

A Very little oil
B No natural gas
C Only natural gas
D All A., B. and C.
Correct Answer: Only natural gas

In solutizer sweetening process, solutizer solution used is_______________?

A Methanol in Unisol process
B Naphthenic acid in Mercapsol process
C Both A. and B.
D Neither A. nor B.
Correct Answer: Both A. and B.

Solvent used in the deasphalting process is ______________________?

A Furfural
B Phenol
C Propane
D Hexane
Correct Answer: Propane

Cetane number of high speed diesel must be ≥_________________?

A 30
B 45
C 75
D 95
Correct Answer: 45

Boiling range of motor gasoline is an indication of the ___________________?

A Case of starting
B Rate of acceleration
C Vapour locking tendency
D All A., B. and C.
Correct Answer: Rate of acceleration

Furfural solvent extraction is used for upgrading (by dissolving aromatics) ?

A Naphtha
B Lubricating oils
C Wax
D Cracking feedstock
Correct Answer: Lubricating oils