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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.

There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth’s surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about _____________ °C/km?

A 0.05

B 1

C 6.5

D 15

Review Detailed Answer

Correct Answer: 6.5

Which of the following is the most widely used disinfectant in water treatment ?

A Chlorine

B Irradiation of water by ultraviolet light

C Cation exchanger

D Coagulation

Review Detailed Answer

Correct Answer: Chlorine

Which of the following is not a natural source of air pollution ?

A Volcanic eruptions and lightening discharges

B Biological decay of vegetable matter

C Photochemical oxidation of organic matter

D None of these

Review Detailed Answer

Correct Answer: None of these

Removal of ______________ results from the disinfection of water?

A Turbidity

B Odour

C Hardness

D Bacteria

Review Detailed Answer

Correct Answer: Bacteria

A standard test for determination of hardness in water is termed as ______________ test?

A EDTA

B Electometric

C Total count

D Presumptive

Review Detailed Answer

Correct Answer: EDTA

The function of skimming tank in sewage treatment is to remove _____________ substances?

A Dissolved solid

B Suspended solid

C Oil & fatty

D Gritty & inorganic

Review Detailed Answer

Correct Answer: Oil & fatty

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________________?

A CO2

B SO2

C Hydrocarbons

D CFC (chloro fluoro carbon)

Review Detailed Answer

Correct Answer: CFC (chloro fluoro carbon)

Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?

A Thermosphere

B Troposphere

C Stratosphere

D None of these

Review Detailed Answer

Correct Answer: Troposphere

Which of the following is a manmade source of air pollution ?

A Automobile exhaust

B Forest fire

C Bacterial action in soil and swamp areas

D All A., B. and C.

Review Detailed Answer

Correct Answer: Automobile exhaust

Workers working in _______________ industry are most prone to white lung cancer?

A Coal mining

B Limestone mining

C Textile

D Asbestos

Review Detailed Answer

Correct Answer: Textile

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following is the most widely used disinfectant in water treatment ?

Which of the following is not a natural source of air pollution ?

Removal of ______________ results from the disinfection of water?

A standard test for determination of hardness in water is termed as ______________ test?

The function of skimming tank in sewage treatment is to remove _____________ substances?

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of________________?

Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?

Which of the following is a manmade source of air pollution ?

Workers working in _______________ industry are most prone to white lung cancer?