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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

A coal with high _____________ content, would ignite most easily?
A Fixed carbon
B Volatile matter
C Ash
D Oxygen
Correct Answer: Volatile matter
Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm3 gas ?
A Blast furnace gas
B Natural gas
C Producer gas
D Water gas
Correct Answer: Natural gas
High ash containing coke____________________?
A Produces more slag when used in the blast furnace
B Has poor strength and abrasion resistance
C Is desirable in producer gas manufacture
D None of these
Correct Answer: Produces more slag when used in the blast furnace
Low temperature oxidation of coal resulting from bad storage conditions does not decrease its______________________?
A Caking power
B Calorific value
C Hydrogen content
D Oxygen content
Correct Answer: Oxygen content
Bright coal__________________?
A Contains more than 90% durain
B Contains more than 90% fussain
C Contains mainly vitrain & clarain and is generally coking
D Is non-coking
Correct Answer: Contains mainly vitrain & clarain and is generally coking
A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the ‘carpet loss’. The carpet loss may be of the order of ______________ cms?
A 1 to 2
B 3 to 4
C 5 to 15
D 20 to 40
Correct Answer: 5 to 15
A fuel with high heat release rate will_________________?
A Require smaller combustion chamber
B Have high calorific value
C Have high adiabatic flame temperature
D None of these
Correct Answer: Require smaller combustion chamber
The pyrogallol solution used in Orsat apparatus can absorb_________________?
A Only O2
B Both O2 and CO2
C Both O2 and CO
D All CO, CO2, and O2
Correct Answer: Both O2 and CO2
In low temperature carbonisation of coal as compared to high temperature carbonisation _____________ produced is less?
A Difference in gross & net calorific value of the coke oven gas
B Free carbon content in tar
C Yield percentage of coke
D Yield of ammonia present in coke oven gas
Correct Answer: Difference in gross & net calorific value of the coke oven gas
Percentage of nitrogen in blast furnace gas may be around__________________?
A 5
B 25
C 55
D 80
Correct Answer: 5
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