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.

Which of the following fuel gases is heavier than air ?

A Blast furnace gas

B Coke oven gas

C Natural gas

D Water gas

Review Detailed Answer

Correct Answer: Blast furnace gas

Which of the following is not a by-product fuel ?

A Pitch

B Blast furnace gas

C Petrol

D Refinery gas

Review Detailed Answer

Correct Answer: Petrol

Cannel coal__________________?

A Is non-coking

B Has a high volatile matter content and burns with a luminous smoky flame

C Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is

D All A., B. and C.

Review Detailed Answer

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

In Lurgi coal gasifier___________________?

A Coking coals cannot be used

B Low carbon conversion efficiency is achieved

C Entrainment of solids is higher

D Larger quantity of coal can be processed

Review Detailed Answer

Correct Answer: Larger quantity of coal can be processed

Which of the following has the highest flame velocity ?

A H2

B CO

C CH4

D C2H6

Review Detailed Answer

Correct Answer: H2

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following fuel gases is heavier than air ?

Which of the following is not a by-product fuel ?

Cannel coal__________________?

In Lurgi coal gasifier___________________?

Which of the following has the highest flame velocity ?

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___________________?