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 having high amount of volatile matter____________________?

A Would require smaller combustion chamber

B Produces very little of tar and gas on carbonisation

C Ignites easily and burns with long smoky flame

D All A., B. and C.

Review Detailed Answer

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

Yield of charcoal in high temperature carbonisation of wood is about _____________ percent?

A 10

B 25

C 50

D 75

Review Detailed Answer

Correct Answer: 25

Fixed carbon in coal is defined as______________________?

A That present in volatile matters

B The total quantity of carbon present in the coal

C Hundred minus the percentage of volatile matter, ash and moisture

D The one which is present in the residue after combustion

Review Detailed Answer

Correct Answer: Hundred minus the percentage of volatile matter, ash and moisture

During combustion of gaseous fuels, deficiency of air_________________?

A Lengthens the flame

B Tends to shorten the flame

C Does not affect the flame length

D Increases the flame temperature

Review Detailed Answer

Correct Answer: Lengthens the flame

Calorific value of furnace oil is about _______________ Kcal/kg?

A 10,000

B 15,000

C 5,000

D 20,000

Review Detailed Answer

Correct Answer: 10,000

Air/gas ratio for complete combustion will be the highest for__________________?

A LPG

B Gobar gas

C Coke oven gas

D Carburetted water gas

Review Detailed Answer

Correct Answer: LPG

Which of the following is not a by-product recovered in a high temperature coal carbonisation plant ?

A Benzol

B Pitch-creosote mixture (PCM)

C Naphthalene

D Ethylene

Review Detailed Answer

Correct Answer: Ethylene

The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always___________________?

A 1

B < 1

C > 1

D Unpredictable

Review Detailed Answer

Correct Answer: 1

A good coking coal should have high ______________ content?

A Ash

B Sulphur & phosphorus

C Moisture

D None of these

Review Detailed Answer

Correct Answer: None of these

Gross & net calorific value is the same for___________________?

A Blast furnace gas

B Coke oven gas

C L.D. converter gas

D None of these

Review Detailed Answer

Correct Answer: L.D. converter gas

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

A coal having high amount of volatile matter____________________?

Yield of charcoal in high temperature carbonisation of wood is about _____________ percent?

Fixed carbon in coal is defined as______________________?

During combustion of gaseous fuels, deficiency of air_________________?

Calorific value of furnace oil is about _______________ Kcal/kg?

Air/gas ratio for complete combustion will be the highest for__________________?

Which of the following is not a by-product recovered in a high temperature coal carbonisation plant ?

The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always___________________?

A good coking coal should have high ______________ content?

Gross & net calorific value is the same for___________________?