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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.

The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?

A Ionosphere

B Troposphere

C Stratosphere

D None of these

Review Detailed Answer

Correct Answer: Troposphere

TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

A Skin disorder

B Bronchitis

C Bone disease

D Cancer

Review Detailed Answer

Correct Answer: Bronchitis

The earth’s atmosphere is an envelope of gases present upto a height of about ______________ kms?

A 10

B 200

C 1000

D 2000

Review Detailed Answer

Correct Answer: 200

Which of the following processes is involved in the biochemical treatment of sewage effluents ?

A Oxidation

B Reduction

C Dehydration

D Fermentation

Review Detailed Answer

Correct Answer: Oxidation

The maximum CO2 is emitted into the atmosphere by_________________?

A Combustion

B Urea

C Biomass burning

D Trees

Review Detailed Answer

Correct Answer: Combustion

Color test of water is done with an instrument called__________________?

A Tintometer

B Colorimeter

C Electro-chemical cell

D Turbidimeter

Review Detailed Answer

Correct Answer: Tintometer

Water filtration rate in a slow sand filter ranges from ____________ litres/m2/hr?

A 10 to 20

B 100 to 200

C 1500 to 2500

D 4000 to 5000

Review Detailed Answer

Correct Answer: 100 to 200

A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called___________________?

A Cesspool

B Lagoon

C Skimming mill

D Septic tank

Review Detailed Answer

Correct Answer: Septic tank

The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about ____________ decibels?

A 60

B 90

C 105

D 120

Review Detailed Answer

Correct Answer: 90

Maximum permissible residual chlorine in treated water should be ____________ mg/litre?

A 0.001 to 0.01

B 0.2 to 0.3

C 2 to 3

D 5 to 10

Review Detailed Answer

Correct Answer: 0.2 to 0.3

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the_________________?

TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

The earth’s atmosphere is an envelope of gases present upto a height of about ______________ kms?

Which of the following processes is involved in the biochemical treatment of sewage effluents ?

The maximum CO2 is emitted into the atmosphere by_________________?

Color test of water is done with an instrument called__________________?

Water filtration rate in a slow sand filter ranges from ____________ litres/m2/hr?

A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called___________________?

The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about ____________ decibels?

Maximum permissible residual chlorine in treated water should be ____________ mg/litre?