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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

Presence of nitrogen in combustion air does not reduce the ____________________?
A Amount of heat liberated
B Flame temperature
C Flue gas temperature
D Any of the above
Correct Answer: Amount of heat liberated
Coke oven gas constitutes mainly of ____________________?
A H2 & CO
B H2 & CH4
C CH4 & CO
D H2 & CO2
Correct Answer: H2 & CH4
Natural draft created by the chimney depends upon _____________________?
A Temperature of the flue gas
B Its height
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has_________________?
A Higher calorific value
B Lower hydrogen content
C Both A. and B.
D Neither A. nor B.
Correct Answer: Neither A. nor B.
Purity of coke means that, it is high in carbon and low in __________________?
A Volatiles
B Ash
C Iron
D Moisture
Correct Answer: Volatiles
Which of the following is not a ‘manufactured’ fuel ?
A LPG
B Coal briquettes
C Tar
D Colloidal fuels
Correct Answer: Tar
Which of the following has the highest gross calorific value ?
A Blast furnace gas
B Coke oven gas
C Carburetted water gas
D Oil refinery gas
Correct Answer: Oil refinery gas
With increase in moisture content of coal, its_____________________?
A Calorific value increases sometimes
B Bulk density always decreases
C Clinkering tendency during combustion increases
D None of these
Correct Answer: None of these
Calorific value of tar is about _____________ Kcal/kg?
A 8800
B 12000
C 14000
D 16000
Correct Answer: 8800
Orsat apparatus__________________?
A Gives flue gas analysis on dry basis
B Determines N2 in flue gas indirectly
C Can’t determine CO in flue gas, if it is < 0.2%
D All A., B. & C.
Correct Answer: All A., B. & C.
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