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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

Spontaneous combustion of coal on storage results due to___________________?
A Inadequate ventilation
B Low temperature oxidation
C Storage in large heaps with small surface to volume ratio
D All A., B. and C.
Correct Answer: All A., B. and C.
White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_________________?
A Tar
B Coke oven gas
C Pitch
D Pulverised coke
Correct Answer: Coke oven gas
As the equilibrium moisture content of the coal increases, its___________________?
A Calorific value increases
B Swelling number decreases
C Swelling number increases
D Bulk density decreases
Correct Answer: Swelling number decreases
Which of the following is not used as a binder in coal briquetting ?
A Tar
B Molasses
C Pitch
D Line
Correct Answer: Line
Which of the following fuel gases has the highest calorific value ?
A Natural gas
B Coal bed methane (CBM)
C Liquefied petroleum gas (LPG)
D Sewage gas
Correct Answer: Liquefied petroleum gas (LPG)
In Orsat’s apparatus, ammoniacal cuprous chloride is used for selectivity absorbing________________?
A CO
B CO2
C O2
D H2O
Correct Answer: CO
Which of the following is the most reactive (as regards the formation of CO + H2 from C + H2O) ?
A Blast furnace coke
B Low temperature coke
C Anthracite coal
D Sub-bituminous coal
Correct Answer: Low temperature coke
Abel apparatus is used for those oils, whose flash points are ___________°F?
A < 120
B > 120
C > 280
D 300-600
Correct Answer: < 120
Assam (India) coals suffers mainly from the disadvantage of high ______________ content?
A Ash
B Volatile matter
C Sulphur (4-6%)
D Moisture
Correct Answer: Sulphur (4-6%)
High temperature in gasification of coal favours________________?
A High production of CO2
B Low production of CO2
C High production of CO
D Both B. and C.
Correct Answer: Both B. and C.
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