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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

The maximum adiabatic flame temperature is attained, when the fuel is burnt with ______________________?
A Theoretically required amount of air
B More than theoretically required amount of air
C Less than theoretically required amount of air
D Theoretically required amount of oxygen
Correct Answer: Theoretically required amount of oxygen
Volatile matter content in coking coal may be about _____________ percent?
A 1
B 7
C 22
D 46
Correct Answer: 22
With increase in the temperature of carbonisation of coal ___________________?
A Hydrogen content of coke oven gas increases due to cracking of hydrocarbons
B Methane content in the coke oven gas decreases and carbon monoxide content increases
C Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not
D All A., B. and C.
Correct Answer: All A., B. and C.
The catalyst used in shift converter is _____________________?
A Nickel
B Vanadium
C Silica gel
D Alumina
Correct Answer: Nickel
Calorific value of a typical dry anthracite coal may be around _____________ Kcal/kg?
A 1000
B 4000
C 8000
D 15000
Correct Answer: 8000
Low temperature oxidation of coal during storage does not decrease its__________________?
A Oxygen content
B Caking power
C Calorific value
D None of these
Correct Answer: None of these
Theoretical flame temperature of a fuel is that temperature which is attained, when the fuel is completely burnt ‘using theoretical amount of air in___________________?
A Air
B Oxygen
C Either A. or B.
D Either A. or B. without gain or loss of heat
Correct Answer: Either A. or B.
__________ is used as jet engine fuel ?
A Petrol
B Diesel
C Kerosene
D LPG
Correct Answer: Kerosene
Tar is a better fuel than furnace oil, because of its___________________?
A Higher calorific value
B Lower sulphur content
C Higher emissivity (0.8-0.9) resulting in higher radiation heat transfer rate
D Both A. and B.
Correct Answer: Both A. and B.
In low temperature carbonisation (as compared to high temperature carbonisation) of coal__________________?
A Ammonia yield is more
B Aliphatic tar is produced
C Free carbon in tar is more
D All A., B. and C.
Correct Answer: Aliphatic tar is produced
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