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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.

Critical Air Blast (CAB) value of coke is a direct measure of its__________________?

A Reactivity

B Hardness

C Strength

D None of these

Review Detailed Answer

Correct Answer: Reactivity

A particular coal is said to be free burning when it __________________?

A Burns completely

B Gives smokeless burning

C Shows little or no fusing action

D None of these

Review Detailed Answer

Correct Answer: Shows little or no fusing action

Ultimate analysis of coal determines its _______________ content?

A Carbon, hydrogen, nitrogen & sulphur

B Carbon, ash, sulphur & nitrogen

C Carbon, sulphur, volatile matter & ash

D Carbon, volatile matter, ash & moisture

Review Detailed Answer

Correct Answer: Carbon, hydrogen, nitrogen & sulphur

Higher efficiency in the combustion of solid fuel cannot be achieved by________________?

A Proper fuel preparation

B Keeping the flue gas exhaust temperature very high

C Adopting efficient-fuel firing technique & equipment

D Supplying correct quantity of combustion air

Review Detailed Answer

Correct Answer: Keeping the flue gas exhaust temperature very high

If oxygen content in the flue gas rises too high, fuel is being wasted by _______________?

A Incomplete combustion

B Dry gas/stack gas loss

C Moisture loss

D None of these

Review Detailed Answer

Correct Answer: Dry gas/stack gas loss

During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the____________________?

A Incomplete combustion

B Complete combustion

C High oxygen in flue gas

D None of these

Review Detailed Answer

Correct Answer: Complete combustion

____________ process is meant for direct hydrogenation of coal to produce liquid fuel?

A Fischer-Tropsch

B Bergius

C Lurgi

D None of these

Review Detailed Answer

Correct Answer: Bergius

One kg of carbon for theoretically complete combustion requires ______________ kg of air?

A 11.5

B 0.5

C 23

D 12

Review Detailed Answer

Correct Answer: 11.5

When incomplete combustion loss is high, the flue gas analysis shows large amount of ________________?

A CO2

B CO

C O2

D C

Review Detailed Answer

Correct Answer: CO

Naphthalene recovered from coke oven gas is used___________________?

A As moisture proof coating on fibres

B As moth balls (insecticides)

C As a fuel in furnaces

D For making electrodes

Review Detailed Answer

Correct Answer: As moth balls (insecticides)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Critical Air Blast (CAB) value of coke is a direct measure of its__________________?

A particular coal is said to be free burning when it __________________?

Ultimate analysis of coal determines its _______________ content?

Higher efficiency in the combustion of solid fuel cannot be achieved by________________?

If oxygen content in the flue gas rises too high, fuel is being wasted by _______________?

During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the____________________?

____________ process is meant for direct hydrogenation of coal to produce liquid fuel?

One kg of carbon for theoretically complete combustion requires ______________ kg of air?

When incomplete combustion loss is high, the flue gas analysis shows large amount of ________________?

Naphthalene recovered from coke oven gas is used___________________?