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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 processes in oil refinery does not employ „cracking‟?
A Coking
B Visbreaking
C Pyrolysis
D None of these
Correct Answer: None of these
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses _______________ as catalyst?
A Bauxite
B Fuller’s earth
C Activated clay
D All A., B. & C.
Correct Answer: All A., B. & C.
Diesel index is defined as_________________?
A (°API) × (Aniline Point, °F)/100
B (°API) × (Aniline Point, °C)/100
C (°API) × (100)/Aniline Point, °F
D (°API) × (100)/Aniline Point, °C
Correct Answer: (°API) × (Aniline Point, °F)/100
Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?
A Gasoline
B Kerosene
C Light gas oil
D Heavy fuel oil
Correct Answer: Gasoline
Stabilisation of gasoline (petrol) means ___________________?
A Removal of dissolved gases from it
B Increasing its oxidation stability
C Improving its lead susceptibility
D Increasing its vapour pressure
Correct Answer: Removal of dissolved gases from it
Naphthenic acid is represented by ___________________?
A CnH2n+2O2
B CnH2n-2O2
C CnH2n+2O2 (n ≥ 6)
D CnH2n+6O2 (n ≤ 6)
Correct Answer: CnH2n-2O2
Bottom product of atmospheric pressure crude oil distillation column is termed as________________?
A Reduced crude
B Heavy ends
C Asphalt
D Residuum
Correct Answer: Reduced crude
Smoke point of kerosene expresses its__________________?
A Burning characteristics
B Luminosity characteristics
C Aromatic content directly
D Lamp wick wetting characteristics
Correct Answer: Burning characteristics
Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of _______________?
A Propane & butane
B Butane & ethane
C Methane & ethane
D Methane & carbon monoxide
Correct Answer: Propane & butane
Removal of light fractions from crude oil is called its _____________________?
A Sweetening
B Dehydration
C Stabilisation
D Visbreaking
Correct Answer: Stabilisation
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