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.

Coal tar (produced by high temperature carbonization) is the main source of_________?

A Aromatic compounds

B Aliphatic compounds

C Paraffins

D Olefins

Review Detailed Answer

Correct Answer: Aromatic compounds

White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_______?

A Tar

B Sulphide Coke

C Coke Oven Gas

D Pulverised coke

Review Detailed Answer

Correct Answer: Coke Oven Gas

Pick out the wrong statement ?

A LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of

B The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn,

C Each ton of petroleum oil on distillation produces about 30-50 Nm3 of gas

D Maximum yield of naphthalene is obtained on distillation of crude oil

Review Detailed Answer

Correct Answer: The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn,

Pick out the wrong statement ?

A High concentration of oxygen in flue gas means high stack loss

B Gaseous fuels require the least % excess air for complete combustion

C The ratio of fixed carbon to volatile matter percentage in coal is called its ‘fuel ratio’

D Calorific value of natural gas is more than that of LPG

Review Detailed Answer

Correct Answer: Calorific value of natural gas is more than that of LPG

Pick the odd man out?

A Briquettes

B Wood

C Oil gas

D Pitch creosote mixture

Review Detailed Answer

Correct Answer: Wood

Carbon Content by weight in air dried wood may be about _______________ percent?

A 10

B 25

C 50

D 80

Review Detailed Answer

Correct Answer: 50

Which of the following has the least calorific value (kcal/Nm3) ?

A Blast furnace gas

B Coke oven gas

C Sewage gas

D Natural gas

Review Detailed Answer

Correct Answer: Blast furnace gas

Turndown ratio of a gas burner is equal to the __________________ ?

A Maximum to minimum heat input ratio

B Maximum to minimum permissible gas flow rate

C Both A. & B.

D Minimum to maximum heat input ratio

Review Detailed Answer

Correct Answer: Both A. & B.

Which of the following gaseous fuels has the lowest calorific value ?

A Gobar gas

B Refinery gas

C Converter gas

D Blast furnace gas

Review Detailed Answer

Correct Answer: Blast furnace gas

Ignition temperature of a fuel in air is ______________ that in pure oxygen?

A More than

B Less than

C Equal to

D Either more or less; depends on the type of fuel

Review Detailed Answer

Correct Answer: More than

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Coal tar (produced by high temperature carbonization) is the main source of_________?

White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_______?

Pick out the wrong statement ?

Pick out the wrong statement ?

Pick the odd man out?

Carbon Content by weight in air dried wood may be about _______________ percent?

Which of the following has the least calorific value (kcal/Nm3) ?

Turndown ratio of a gas burner is equal to the __________________ ?

Which of the following gaseous fuels has the lowest calorific value ?

Ignition temperature of a fuel in air is ______________ that in pure oxygen?