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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

Gross heating value of coal is ______________ the net heating value?
A Higher than
B Lower than
C Same as
D None of these
Correct Answer: Higher than
The internal energy of the combustion products is ____________________ compared to that of reactants?
A More
B Less
C Equal
D More or less; (depends on the state of fuel.)
Correct Answer: Less
Lignite is ___________________?
A A high rank coal
B A coking coal
C Can be used for gasification and steam generation
D A black banded coal which burns with a non-smoky yellowish flame
Correct Answer: Can be used for gasification and steam generation
High pressure coal gasification is employed in ________________ process?
A Lurgi
B Kopper-Totzek
C Winkler
D None of these
Correct Answer: Lurgi
Use of pulverised coal in boiler furnace provides___________________?
A High calorific value
B Better combustion
C Smokeless burning
D Less erosion on furnace walls
Correct Answer: Better combustion
Which of the following fuel gases is heavier than air ?
A Blast furnace gas
B Coke oven gas
C Natural gas
D Water gas
Correct Answer: Blast furnace gas
Which of the following is not a by-product fuel ?
A Pitch
B Blast furnace gas
C Petrol
D Refinery gas
Correct Answer: Petrol
Cannel coal__________________?
A Is non-coking
B Has a high volatile matter content and burns with a luminous smoky flame
C Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is
D All A., B. and C.
Correct Answer: All A., B. and C.
In Lurgi coal gasifier___________________?
A Coking coals cannot be used
B Low carbon conversion efficiency is achieved
C Entrainment of solids is higher
D Larger quantity of coal can be processed
Correct Answer: Larger quantity of coal can be processed
Which of the following has the highest flame velocity ?
A H2
B CO
C CH4
D C2H6
Correct Answer: H2
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