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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

Road grade bitumen is produced from vacuum residue by its ____________________?
A Aeration
B Pyrolysis
C Hydrogenation
D Steam reforming
Correct Answer: Steam reforming
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing ___________________?
A Boiling points
B Molecular weight
C C/H ratio
D All A., B. and C.
Correct Answer: All A., B. and C.
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octane is chemically known as ___________________?
A α-methyl naphthalene
B 2-2-4 tri methyl pentane
C 1, 3 butadiene
D Tetra methyl ethylene
Correct Answer: 2-2-4 tri methyl pentane
Cetane number of a diesel fuel is the measure of its____________________?
A Ignition delay
B Smoke point
C Viscosity
D Oxidation stability
Correct Answer: Ignition delay
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
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
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
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.
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.
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
Correct Answer: Non-catalytic
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