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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.

Water filtration rate in a rapid sand filter ranges from ______________ kilolitres/m2/hr?

A 0.1 to 1

B 3 to 6

C 10 to 15

D 15 to 20

Review Detailed Answer

Correct Answer: 3 to 6

Which of the following sources is responsible for maximum air pollution ?

A Industrial chimney exhaust

B Forest fire

C Automobiles exhaust

D Photochemical oxidation of organic matter

Review Detailed Answer

Correct Answer: Automobiles exhaust

The biological decomposition of organic substances in wastes controlled conditions is called_________________?

A Incineration

B Biological oxidation

C Composting

D None of these

Review Detailed Answer

Correct Answer: Composting

Which of the following pollutants is absent in the emissions from a fertiliser plant ?

A SO2 & SO3

B NO2

C NH3

D CO

Review Detailed Answer

Correct Answer: CO

During sewage treatment, the sewage is subjected to ______________ treatment in Imhoff tank?

A Filtration

B Digestion

C Sedimentation

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by_________________?

A Quenching of hot coke

B Discharging in the river stream

C Filtration and recycling for cooling coke oven gas

D None of these

Review Detailed Answer

Correct Answer: Quenching of hot coke

Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes_________________?

A Paralysis of muscles & loss of appetite

B Nervous depression

C Gastritis and diarrhea

D All A., B. and C.

Review Detailed Answer

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

Insufficient washing of sand grains in a rapid sand filter causes__________________?

A Air binding

B Shrinkage of filtering media

C Mud balls

D Expansion of filtering media

Review Detailed Answer

Correct Answer: Mud balls

In sewage treatment, the detention period allowed for oxidation ponds ranges from _____________ weeks?

A 1 to 2

B 4 to 5

C 9 to 10

D 15 to 20

Review Detailed Answer

Correct Answer: 4 to 5

Exposure to SO2 containing chimney gases results in the__________________?

A Reduction in strength of leather & cloth

B Acceleration of corrosion rates of metals

C Increased drying & hardening time of paints

D All A., B. and C.

Review Detailed Answer

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Water filtration rate in a rapid sand filter ranges from ______________ kilolitres/m2/hr?

Which of the following sources is responsible for maximum air pollution ?

The biological decomposition of organic substances in wastes controlled conditions is called_________________?

Which of the following pollutants is absent in the emissions from a fertiliser plant ?

During sewage treatment, the sewage is subjected to ______________ treatment in Imhoff tank?

Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by_________________?

Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes_________________?

Insufficient washing of sand grains in a rapid sand filter causes__________________?

In sewage treatment, the detention period allowed for oxidation ponds ranges from _____________ weeks?

Exposure to SO2 containing chimney gases results in the__________________?