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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

During its calorific value determination by bomb calorimeter, coal is combusted by _________________?
A Air
B Oxygen
C Oxygen enriched air
D None of these
Correct Answer: Oxygen
Kopper-Totzek coal gasifier_________________?
A Can give ammonia synthesis gas (H2 + N2)
B Is a moving bed reactor
C Cannot use coking coal
D Operate at very high pressure
Correct Answer: Can give ammonia synthesis gas (H2 + N2)
Pensky-Marten apparatus is used for those oils, whose flash points are _____________ °F?
A < 120
B > 120
C < 90
D 90-110
Correct Answer: > 120
The main product of high temperature carbonisation of coal is__________________?
A Coke
B Ammonia
C Tar
D Coke oven gas
Correct Answer: Coke
Which of the following is not a manufactured fuel ?
A Coke breeze
B Soft coke
C Colloidal fuels
D Charcoal
Correct Answer: Coke breeze
A coal having high amount of volatile matter____________________?
A Would require smaller combustion chamber
B Produces very little of tar and gas on carbonisation
C Ignites easily and burns with long smoky flame
D All A., B. and C.
Correct Answer: All A., B. and C.
Yield of charcoal in high temperature carbonisation of wood is about _____________ percent?
A 10
B 25
C 50
D 75
Correct Answer: 25
Fixed carbon in coal is defined as______________________?
A That present in volatile matters
B The total quantity of carbon present in the coal
C Hundred minus the percentage of volatile matter, ash and moisture
D The one which is present in the residue after combustion
Correct Answer: Hundred minus the percentage of volatile matter, ash and moisture
During combustion of gaseous fuels, deficiency of air_________________?
A Lengthens the flame
B Tends to shorten the flame
C Does not affect the flame length
D Increases the flame temperature
Correct Answer: Lengthens the flame
Calorific value of furnace oil is about _______________ Kcal/kg?
A 10,000
B 15,000
C 5,000
D 20,000
Correct Answer: 10,000
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