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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 has the highest theoretical flame temperature ?

A Blast furnace gas

B Hydrogen

C Acetylene

D Coke oven gas

Review Detailed Answer

Correct Answer: Acetylene

Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel) ?

A Carburetted water gas

B Blast furnace gas

C Natural gas

D Producers’ gas

Review Detailed Answer

Correct Answer: Natural gas

Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing ?

A Ash disposal problem

B Excessive fly-ash discharge from the stack

C High power consumption in its transportation

D Erosion of induced draft fan blades

Review Detailed Answer

Correct Answer: Ash disposal problem

C/H ratio is the minimum in case of_________________?

A Furnace oil

B Natural gas

C Coal

D Naphtha

Review Detailed Answer

Correct Answer: Natural gas

The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be___________________?

A y

B 0.95 y

C 1.05 y

D 1.8 y

Review Detailed Answer

Correct Answer: y

Blast furnace gas is a very poisonous gas because of its predominantly high _______________ content?

A H2O

B CO2

C CO

D CH4

Review Detailed Answer

Correct Answer: CO

Stoichiometric combustion of 12 kg of carbon requires _____________ of oxygen?

A 1kg mole

B 22.4 Nm3

C 32 kg

D All A., B. and C.

Review Detailed Answer

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

Adiabatic flame temperature of a fuel is dependent on the initial temperature of___________________?

A Fuel

B Air

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

Main constituents of Benzol are ____________________?

A Benzene, toluene & xylene

B Tar & creosote

C Ammonia & phenol

D Anthracene & phenol

Review Detailed Answer

Correct Answer: Benzene, toluene & xylene

Gobar gas is produced by the ______________ of cow dung?

A Fermentation

B Oxidation

C Hydrogenation

D None of these

Review Detailed Answer

Correct Answer: Fermentation

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following has the highest theoretical flame temperature ?

Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel) ?

Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing ?

C/H ratio is the minimum in case of_________________?

The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be___________________?

Blast furnace gas is a very poisonous gas because of its predominantly high _______________ content?

Stoichiometric combustion of 12 kg of carbon requires _____________ of oxygen?

Adiabatic flame temperature of a fuel is dependent on the initial temperature of___________________?

Main constituents of Benzol are ____________________?

Gobar gas is produced by the ______________ of cow dung?