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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.

All Topics  9594

Which of the following is the most important property for a jet fuel ?
A Cloud point
B Pour point
C Colour
D Freezing point
Correct Answer: Freezing point
Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to__________________?
A Increase the yield of light distillates
B Suppress coke formation
C Enhance the octane number of gasoline
D Reduce gum content in gasoline
Correct Answer: Suppress coke formation
Crude oil is transported inland from oil field to refineries, mainly by the _____________________?
A Road tankers
B Rail tankers
C Underground pipelines
D None of these
Correct Answer: Underground pipelines
Flash point of atmospheric distillation residue is determined by ______________ apparatus?
A Pensky-Martens (closed cup type)
B Abel
C Cleveland (open cup type)
D None of these
Correct Answer: Cleveland (open cup type)
Diesel used in naval applications has a minimum cetane number of ___________________?
A 25
B 35
C 45
D 65
Correct Answer: 45
The proper arrangement of the petroleum fractions in order of their boiling points is __________________ ?
A Lubricating oil > diesel > petrol > LPG
B Lubricating oil > petrol > diesel > LPG
C Petrol > lubricating oil > diesel > LPG
D Petrol > diesel > LPG > lubricating oil
Correct Answer: Lubricating oil > diesel > petrol > LPG
The coking process normally mostly used in Indian oil refineries is the ____________________ coking process ?
A Delayed
B Flexi
C Fluid
D Contact
Correct Answer: Delayed
Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely miscible. It means that the aniline point of the diesel is _______________ the room temperature?
A More than
B Less than
C Same as
D Either more or less; depends on the room temperature
Correct Answer: Same as
The octane number of aviation gasoline may be __________________?
A 79
B 87
C 97
D > 100
Correct Answer: > 100
Sulphur content in lighter and heavier petroleum products is generally determined respectively by _______________?
A Lamp method and bomb method
B Bomb method and lamp method
C Bomb method and quartz tube method
D Quartz tube method and lamp method
Correct Answer: Bomb method and lamp method
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