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.

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

The weakest sound that can be heard by a person in a quiet environment is equivalent to ____________ decibel ?

A 1

B 5

C 10

D 50

Review Detailed Answer

Correct Answer: 1

______________ content of the phosphate rock is the pollutant of primary interest in a phosphatic fertiliser plant ?

A Calcium

B Fluorine

C Phosphorous

D Sulphur

Review Detailed Answer

Correct Answer: Fluorine

Pick out the wrong statement ?

A Addition of methane to the furnace atmosphere reduces decarburising by hydrogen

B Nitrogen in presence of steam decor-burises high carbon steel, whereas hydrocarbon gases

C Active nitrogen (formed by cracking ammonia at the metal surface) cause nitride formation

D None of these

Review Detailed Answer

Correct Answer: None of these

Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by _____________________?

A Chemical coagulation

B Floatation & skimming

C Centrifugation

D Ultra filtration

Review Detailed Answer

Correct Answer: Chemical coagulation

Ringelmann chart No. 2 corresponds to _______________ percent black smoke?

A 10

B 20

C 40

D 80

Review Detailed Answer

Correct Answer: 40

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

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?

The weakest sound that can be heard by a person in a quiet environment is equivalent to ____________ decibel ?

______________ content of the phosphate rock is the pollutant of primary interest in a phosphatic fertiliser plant ?

Pick out the wrong statement ?

Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by _____________________?

Ringelmann chart No. 2 corresponds to _______________ percent black smoke?