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.

Paraffins are desirable in lubricating oil, as it has got high_____________________?

A Viscosity
B Viscosity index
C Smoke point
D Pour point
Correct Answer: Smoke point

Platforming is a ____________ process?

A Moving bed
B Fluidised bed
C Non-regenerative & fixed bed
D Regenerative
Correct Answer: Non-regenerative & fixed bed

With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?

A Increases
B Decreases
C Remain same
D Is unpredictable
Correct Answer: Increases

Which of the following is a non-regenerative fixed bed catalytic reforming process ?

A Hydroforming
B Thermofor catalytic reforming
C Platforming
D Hyperforming
Correct Answer: Platforming

Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?

A High pour point and low smoke point
B Low viscosity index
C High self-ignition temperature
D All A., B. and C.
Correct Answer: Low viscosity index

Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?

A Paraffins
B Aromatics
C Mercaptans
D Naphthenic acid
Correct Answer: Mercaptans

Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?

A pH of the soil
B Bacterial action
C Heat
D Pressure
Correct Answer: pH of the soil

Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is _______________ centistokes (or 100 Redwood I seconds) ?

A 5
B 25
C 50
D 100
Correct Answer: 5

Aromatics have the highest ________________ of all the hydrocarbons of same carbon atoms?

A Smoke point
B Octane number
C Cetane number
D Viscosity
Correct Answer: Octane number

Lane and Garton classification of petroleum is based on its ____________________?

A Composition
B Specific gravity
C Optical properties
D Viscosity
Correct Answer: Specific gravity