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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.

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

Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm?

A < 1

B 10-100

C 100-200

D 100-1000

Review Detailed Answer

Correct Answer: < 1

For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than ______________ ppm?

A 10000

B 5

C 500

D 1000

Review Detailed Answer

Correct Answer: 5

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

A CO

B SO2

C NOx

D CFC (chloro fluoro carbons)

Review Detailed Answer

Correct Answer: CO

The term Biological Oxygen Demand (BOD) is used in relation to ______________________?

A Potable water

B Cooling water

C Distilled water

D Industrial effluents

Review Detailed Answer

Correct Answer: Industrial effluents

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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 ______________________?

Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about ______________ ppm?

For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than ______________ ppm?

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

The term Biological Oxygen Demand (BOD) is used in relation to ______________________?