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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.

Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ?

A Multicyclones

B Bag filter

C Wet scrubber

D Hydrocyclones

Review Detailed Answer

Correct Answer: Bag filter

Artificial draught produced by a fan can be controlled by the___________________?

A Speed of the fan

B Damper

C Variation in the pitch of the fan blades

D All A., B. and C.

Review Detailed Answer

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

Out of the following, which is the most important parameter for the blast furnace grade coke ?

A CSR & CRI

B Ash content

C Moisture content

D Volatile matter content

Review Detailed Answer

Correct Answer: CSR & CRI

Coke having higher porosity has ___________________?

A Lower bulk density

B Lower strength

C Higher reactivity

D All A., B. and C.

Review Detailed Answer

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

Coals used for the generation of producer gas should have ____________________?

A High caking index

B Low fusion point of ash

C High volatile matter content

D Very low ash content (8-10%)

Review Detailed Answer

Correct Answer: High volatile matter content

Caking coal is desirable for_________________?

A Burning on travelling grate

B Coke making

C Burning on firebars

D All A., B. and C.

Review Detailed Answer

Correct Answer: Coke making

A coal having higher volatile matter content, has lower_________________?

A Smoking tendency on burning

B Coke oven gas yield on carbonisation

C Chance of catching fire during storage in open space

D Ignition temperature

Review Detailed Answer

Correct Answer: Ignition temperature

Which of the following is unsuitable fuel for producer gas manufacture ?

A Coke

B Anthracite

C Coal having low fusion point of its ash

D Coal having high fusion point of its ash

Review Detailed Answer

Correct Answer: Coal having low fusion point of its ash

Use of preheated air for combustion of fuel in the furnace, increases the___________________?

A Scale losses of the furnace stock

B Calorific value of the fuel

C Flame temperature

D None of these

Review Detailed Answer

Correct Answer: Flame temperature

Which of the following is a poisonous fuel gas ?

A Coke oven gas

B Blast furnace gas

C Natural gas

D None of these

Review Detailed Answer

Correct Answer: Blast furnace gas

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ?

Artificial draught produced by a fan can be controlled by the___________________?

Out of the following, which is the most important parameter for the blast furnace grade coke ?

Coke having higher porosity has ___________________?

Coals used for the generation of producer gas should have ____________________?

Caking coal is desirable for_________________?

A coal having higher volatile matter content, has lower_________________?

Which of the following is unsuitable fuel for producer gas manufacture ?

Use of preheated air for combustion of fuel in the furnace, increases the___________________?

Which of the following is a poisonous fuel gas ?