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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.

High noise levels produced during operation of fans and compressors can be reduced by using__________________?

A Mufflers (silencers)

B Acoustic absorbent

C Lagging of noisy duct

D None of these

Review Detailed Answer

Correct Answer: Mufflers (silencers)

Salt content in sea water is about ______________ percent?

A 0.5

B 1

C 3.5

D 9.05

Review Detailed Answer

Correct Answer: 3.5

______________ is the process of killing organism in water ?

A Coagulation

B Sterilisation

C Disinfection

D Sedimentation

Review Detailed Answer

Correct Answer: Disinfection

Fresh sewage is ______________ in nature?

A Acidic

B Neutral

C Alkaline

D Highly acidic

Review Detailed Answer

Correct Answer: Alkaline

From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about ________________ ppm?

A 5

B 50

C 500

D 5000

Review Detailed Answer

Correct Answer: 5

Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is _______________ micro gram (μ g)/litre?

A 22

B 42

C 332

D 1050

Review Detailed Answer

Correct Answer: 42

Which of the following fine dust removal equipments is the most efficient ?

A Bag filter

B Scrubber

C Electrostatic precipitator

D Cyclone separator

Review Detailed Answer

Correct Answer: Electrostatic precipitator

Noise level in a quiet private business office is about _____________ decibels?

A 25

B 50

C 70

D 85

Review Detailed Answer

Correct Answer: 50

Which of the following is not a weightless pollutant ?

A SPM

B Thermal pollution

C Radioactive rays

D Noise pollution

Review Detailed Answer

Correct Answer: SPM

Noise pollution level in a chemical plant is expressed in __________________?

A Roentgen

B Decibel

C Hertz

D None of these

Review Detailed Answer

Correct Answer: Decibel

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

High noise levels produced during operation of fans and compressors can be reduced by using__________________?

Salt content in sea water is about ______________ percent?

______________ is the process of killing organism in water ?

Fresh sewage is ______________ in nature?

From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about ________________ ppm?

Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is _______________ micro gram (μ g)/litre?

Which of the following fine dust removal equipments is the most efficient ?

Noise level in a quiet private business office is about _____________ decibels?

Which of the following is not a weightless pollutant ?

Noise pollution level in a chemical plant is expressed in __________________?