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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.

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

Smog is ______________________?

A Nothing but black smoke

B A combination of smoke and fog

C A liquid particle resulting from vapor condensation

D A solid particle e.g. fly-ash

Review Detailed Answer

Correct Answer: A combination of smoke and fog

Presence of soluble organics in polluted water causes_________________?

A Undesirable plants growth

B Depletion of oxygen

C Fire hazards

D Explosion hazards

Review Detailed Answer

Correct Answer: Depletion of oxygen

Persons working in cement plants and limestone quarries are more prone to disease like__________________?

A Cancer

B Asthma

C Silicosis

D Fluorosis (bone disease)

Review Detailed Answer

Correct Answer: Silicosis

The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the __________________?

A Bacterial stability factor

B Relative stability

C Biological oxygen demand (BOD)

D Oxygen ion concentration

Review Detailed Answer

Correct Answer: Relative stability

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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 __________________?

Smog is ______________________?

Presence of soluble organics in polluted water causes_________________?

Persons working in cement plants and limestone quarries are more prone to disease like__________________?

The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the __________________?