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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.

Temperature of coke oven gas just before entering into saturator (for recovery of NH3) is about ______________ °C?

A 30

B 65

C 120

D 180

Review Detailed Answer

Correct Answer: 65

Producer gas containing least amount of tar is produced by the_________________?

A Partial combustion of coal

B Partial combustion of large size (< 50 mm) coke

C High pressure gasification of coal (e.g. in Lurgi gasifier)

D Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier)

Review Detailed Answer

Correct Answer: Partial combustion of large size (< 50 mm) coke

Incomplete combustion of fuel in the furnace is judged by high _____________ of the flue gases?

A CO content

B Dew point

C CO2 content

D O2 content

Review Detailed Answer

Correct Answer: CO content

Which of the following is used for making the explosive „TNT‟ ?

A Benzol

B Toluene

C Pyridine

D Cerosote

Review Detailed Answer

Correct Answer: Toluene

Safe condition for storage of high V.M. bituminous coal is that ___________________?

A Height of the coal heap should be < 3 metres

B Maximum 200 tons should be stored in a heap

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Flue gas from the heating chamber of by product coke ovens is removed by________________?

A Forced draft fan

B Induced draft fan

C Steam ejector

D Natural draft

Review Detailed Answer

Correct Answer: Natural draft

Mineral matter, ‘M’ and ash percentage ‘A’ in coal are roughly related as_______________?

A M = 1.8 A

B M = 0.5 A

C M = 1.1 A

D M = A

Review Detailed Answer

Correct Answer: M = 1.1 A

Calorific value of dry wood may be around ______________ Kcal/kg?

A 5

B 50

C 500

D 5000

Review Detailed Answer

Correct Answer: 5

Combustion of pulverised coal as compared to that of lump coal ________________?

A Develops a non-luminous flame

B Develops a low temperature flame

C Can be done with less excess air

D Provides a lower rate of heat release

Review Detailed Answer

Correct Answer: Can be done with less excess air

During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the _______________ of the mass?

A Density

B Porosity

C Electrical resistivity

D None of these

Review Detailed Answer

Correct Answer: Density

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Temperature of coke oven gas just before entering into saturator (for recovery of NH3) is about ______________ °C?

Producer gas containing least amount of tar is produced by the_________________?

Incomplete combustion of fuel in the furnace is judged by high _____________ of the flue gases?

Which of the following is used for making the explosive „TNT‟ ?

Safe condition for storage of high V.M. bituminous coal is that ___________________?

Flue gas from the heating chamber of by product coke ovens is removed by________________?

Mineral matter, ‘M’ and ash percentage ‘A’ in coal are roughly related as_______________?

Calorific value of dry wood may be around ______________ Kcal/kg?

Combustion of pulverised coal as compared to that of lump coal ________________?

During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the _______________ of the mass?