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.

Calorific value of wood gas is about ______________ kcal/Nm3?

A 1500

B 3300

C 5400

D 8500

Review Detailed Answer

Correct Answer: 3300

The maximum adiabatic flame temperature in air as compared to that in pure oxygen is_______________?

A Much lower

B Much higher

C Same

D Either lower or higher, depends on the type of fuel

Review Detailed Answer

Correct Answer: Much lower

Ammonia content in raw coke oven gas is about _____________ gm/Nm3?

A 1

B 5

C 50

D 100

Review Detailed Answer

Correct Answer: 5

Presence of ______________ in a dry gaseous fuel does not contribute to its calorific value?

A Sulphur

B Oxygen

C Hydrogen

D Carbon

Review Detailed Answer

Correct Answer: Oxygen

For maximum discharge through a chimney, its height should be___________________?

A 200 meters

B Infinitely long

C More than 105.7 metres

D Equal to the height of the hot gas column producing draught

Review Detailed Answer

Correct Answer: Equal to the height of the hot gas column producing draught

Which of the following has the highest flame speed ?

A CO

B H2

C CH4

D C2H6

Review Detailed Answer

Correct Answer: H2

Which of the following fuels is generally not used in thermal power plant boiler firing ?

A Furnace oil, light diesel oil and tar/PCM

B Pulverised coking coal

C Coal middling from washeries

D B.F. gas, coke oven gas and L.D. converter gas

Review Detailed Answer

Correct Answer: Pulverised coking coal

Use of excess of combustion air in the combustion of fuels results in__________________?

A Heat losses

B Long flame

C Condensation of water vapour from the fuel gas

D None of these

Review Detailed Answer

Correct Answer: Heat losses

Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the___________________?

A Requirement of large volume combustion chamber

B Risk of explosion

C Chances of clinker formation

D Incomplete combustion of coal

Review Detailed Answer

Correct Answer: Risk of explosion

Which of the following is called “blue gas”?

A Coke oven gas

B Water gas

C Natural gas

D Producer gas

Review Detailed Answer

Correct Answer: Water gas

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Calorific value of wood gas is about ______________ kcal/Nm3?

The maximum adiabatic flame temperature in air as compared to that in pure oxygen is_______________?

Ammonia content in raw coke oven gas is about _____________ gm/Nm3?

Presence of ______________ in a dry gaseous fuel does not contribute to its calorific value?

For maximum discharge through a chimney, its height should be___________________?

Which of the following has the highest flame speed ?

Which of the following fuels is generally not used in thermal power plant boiler firing ?

Use of excess of combustion air in the combustion of fuels results in__________________?

Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the___________________?

Which of the following is called “blue gas”?