Prepare for job tests, interviews, and competitive exams with comprehensive Chemical Engineering MCQs covering fundamentals, chemical processes, reactions, process control, instrumentation, and other core concepts for students and fresh graduates.

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.

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)

Grindability index of a coal is 100. It implies that the ___________________?

A Coal can be pulverised with great difficulty

B Coal can’t be pulverised

C Coal can be easily pulverised

D Power consumption in grinding the coal will be very high

Review Detailed Answer

Correct Answer: Coal can be easily pulverised

In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the______________?

A Gas yield is less

B Tar yield is more

C Ignition temperature of coke produced is less

D Aromatic content of tar produced is more

Review Detailed Answer

Correct Answer: Aromatic content of tar produced is more

Which of the following is not a manufactured fuel ?

A Furnace oil

B Bagasse

C Semi-coke

D Kerosene

Review Detailed Answer

Correct Answer: Bagasse

Prime coking coal is always blended with medium or non- coking coal before carbonisation__________________?

A To check against its excessive swelling during heating, which may exert high pressure and

B Because, it alone produces unreactive coke

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Low temperature carbonisation of coal takes place at ______________ °C?

A 300

B 1100

C 700

D 150

Review Detailed Answer

Correct Answer: 700

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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___________________?

Grindability index of a coal is 100. It implies that the ___________________?

In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the______________?

Which of the following is not a manufactured fuel ?

Prime coking coal is always blended with medium or non- coking coal before carbonisation__________________?

Low temperature carbonisation of coal takes place at ______________ °C?