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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about _____________ °C?

A 400-500

B 900-1000

C 1400-1500

D 1700-1800

Review Detailed Answer

Correct Answer: 900-1000

Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around ______________ percent?

A 4

B 96

C 20

D 40

Review Detailed Answer

Correct Answer: 20

Which of the following is not a by-product fuel ?

A Sewage gas

B Refinery gas

C Producer gas

D Bagasse

Review Detailed Answer

Correct Answer: Producer gas

Sulphur in metallurgical coal__________________?

A Contributes to its heating value

B Affects the quality of steel produced as cracks develop on the surface while rolling the steel

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Fusion point of coal ash increases with increase in its ____________ content?

A Iron sulphate

B Iron silicate

C Lime and magnesia

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

Calorific value of coke oven gas is around ______________ Kcal/Nm3?

A 900

B 4200

C 7500

D 2000

Review Detailed Answer

Correct Answer: 4200

Caking index of coal blend used for blast furnace coke making is about_________________?

A 8

B 12

C 22

D 36

Review Detailed Answer

Correct Answer: 22

A coal with high ash content___________________?

A Has higher calorific value

B Is harder and stronger

C Is not subjected to washing

D Has low quantity of mineral matter

Review Detailed Answer

Correct Answer: Is harder and stronger

Which of the following is not a binder for coal briquetting ?

A Coal tar

B Bitumen

C Molasses

D None of these

Review Detailed Answer

Correct Answer: None of these

Coking time in beehive coke oven is about ___________________?

A 12 hours

B 2-3 days

C One week

D Two weeks

Review Detailed Answer

Correct Answer: 2-3 days

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about _____________ °C?

Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around ______________ percent?

Which of the following is not a by-product fuel ?

Sulphur in metallurgical coal__________________?

Fusion point of coal ash increases with increase in its ____________ content?

Calorific value of coke oven gas is around ______________ Kcal/Nm3?

Caking index of coal blend used for blast furnace coke making is about_________________?

A coal with high ash content___________________?

Which of the following is not a binder for coal briquetting ?

Coking time in beehive coke oven is about ___________________?