M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

thumb

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.

Which of the following combustibles is absent in blast furnace gas ?
A H2
B CH4
C CO
D None of these
Correct Answer: CH4
A carbonaceous fuel (containing no H2 or hydrocarbons) is burnt and the resulting flue gas contains 21% CO2. It means that___________________?
A 21% excess air has been used for combustion
B 21% excess oxygen has been used for combustion
C Complete combustion of fuel has taken place
D No excess air has been used for combustion
Correct Answer: Complete combustion of fuel has taken place
Percentage of methane in coke oven gas may be around _____________________?
A 5
B 15
C 25
D 50
Correct Answer: 5
Gobar gas is produced by the _______________ of ‘gobar’ (cow dung) ?
A Hydrolysis
B Fermentation
C Oxidation
D Dehydration
Correct Answer: Fermentation
Atomising steam to fuel oil ratio in a burner should be around__________________?
A 0.5
B 1.5
C 2.5
D 3.5
Correct Answer: 0.5
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