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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.

A coal containing high amount of volatile matter will have__________________?

A Low ignition temperature

B Very little ash content

C High fusion point of its ash

D Low adiabatic flame temperature

Review Detailed Answer

Correct Answer: Low ignition temperature

Coke oven gas is a better fuel than blast furnace gas, because of its higher________________?

A Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity)

B Adiabatic flame temperature

C Heat release rate (thus requiring smaller combustion chamber)

D All A., B. and C.

Review Detailed Answer

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

Which of the following is not a micro component present in coal ?

A Micrinite

B Clarain

C Fusinite

D Liptinite

Review Detailed Answer

Correct Answer: Clarain

Which of the following would require maximum amount of % excess air for complete combustion ?

A Coke oven gas

B Furnace oil

C Pulverised coal

D Lump coal (fixed on chain grate)

Review Detailed Answer

Correct Answer: Lump coal (fixed on chain grate)

Coking time in a commercial high temperature coal carbonisation plant is about ______________ hours?

A 6

B 18

C 28

D 36

Review Detailed Answer

Correct Answer: 18

With increase in C/H ratio of a fuel, the dew point of flue gases______________________?

A Increases

B Decreases

C Remain same

D May increase or decrease; depends on the type of fuel

Review Detailed Answer

Correct Answer: Decreases

High temperature carbonisation of coal takes place at _______________ °C?

A 2000

B 600

C 1100

D 1600

Review Detailed Answer

Correct Answer: 1100

When the coal is heated in absence of air, it is called its ________________?

A Deoxidation

B Gasification

C Coalification

D Carbonisation

Review Detailed Answer

Correct Answer: Carbonisation

Out of the following fuels, the difference between gross and net calorific value will be minimum in case of___________________?

A Coke oven gas

B Water gas

C Natural gas

D Blast furnace gas

Review Detailed Answer

Correct Answer: Blast furnace gas

A good quality coal should have ___________________?

A Low fusion point of ash

B High ash content

C High sulphur

D None of these

Review Detailed Answer

Correct Answer: None of these

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A coal containing high amount of volatile matter will have__________________?

Coke oven gas is a better fuel than blast furnace gas, because of its higher________________?

Which of the following is not a micro component present in coal ?

Which of the following would require maximum amount of % excess air for complete combustion ?

Coking time in a commercial high temperature coal carbonisation plant is about ______________ hours?

With increase in C/H ratio of a fuel, the dew point of flue gases______________________?

High temperature carbonisation of coal takes place at _______________ °C?

When the coal is heated in absence of air, it is called its ________________?

Out of the following fuels, the difference between gross and net calorific value will be minimum in case of___________________?

A good quality coal should have ___________________?