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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 calorific value of L.D. converter gas is about ____________ Kcal/Nm3?
A 1800
B 800
C 4500
D 10000
Correct Answer: 1800
Abrasion index of blast furnace coke should be around _____________ percent?
A 20
B 35
C 55
D 80
Correct Answer: 80
Power alcohol as compared to straight run gasoline has lower ________________?
A Calorific value
B Octane number
C Specific gravity
D Viscosity
Correct Answer: Calorific value
Which of the following petrographic constituents of coal is non-coking ?
A Vitrain
B Clarain
C Durain
D Fussain
Correct Answer: Fussain
The reaction, C + CO2 ↔ 2CO, taking place during coal gasification is called the ______________ reaction?
A Neumann reversal
B Shift conversion
C Boudouard
D Reduction
Correct Answer: Boudouard
Presence of phosphorous in metallurgical coal__________________?
A Is not undesirable
B Reduces its calorific value
C Badly affects the quality of steel
D Increases its caking power
Correct Answer: Badly affects the quality of steel
Which is the heaviest fuel gas out of the following ?
A Blast furnace gas
B Coke oven gas
C Water gas
D Carburetted water gas
Correct Answer: Blast furnace gas
The calorific value of producer gas is around _____________ kcal/Nm3?
A 1300
B 500
C 4500
D 9000
Correct Answer: 1300
Short/intense flame is produced during combustion of gaseous fuel by using________________?
A High amount/current of combustion air
B Low amount/current of combustion air
C Preheated secondary air
D Very little excess air
Correct Answer: High amount/current of combustion air
During combustion of coal on grate, clinker formation is increased by the___________________?
A Use of thick fire bed
B Low fusion point of ash (< 1100° C)
C Use of preheated primary air
D All A., B. & C.
Correct Answer: All A., B. & C.
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