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.

Growth of ______________ is promoted by the presence of manganese in water?

A Files

B Algae

C Micro-organisms

D Mosquitoes

Review Detailed Answer

Correct Answer: Micro-organisms

The pH value of oxidised sewage is about_____________________?

A 1.8

B 6.2

C 7.3

D 13.4

Review Detailed Answer

Correct Answer: 7.3

Arsenic pollutant is not generated in _______________ industries?

A Tanneries

B Glass & ceramic

C Beverages

D Any of these

Review Detailed Answer

Correct Answer: Beverages

Pollution by particulate matter emission in the atmosphere does not take place during metal____________________?

A Grinding

B Machining

C Cutting

D Polishing

Review Detailed Answer

Correct Answer: Polishing

Main pollutant present in automobile exhaust is_________________?

A CO

B CO2

C NO

D Hydrocarbons

Review Detailed Answer

Correct Answer: CO

Scale formation in boiler is controlled by____________________?

A Preheating of feed water

B Reduction in hardness, silica & alumina in feed water

C Keeping the pH value of feed water just below 7

D Eliminating H2S in feed water

Review Detailed Answer

Correct Answer: Reduction in hardness, silica & alumina in feed water

Noise level heard at a distance of about 100 metres from a jet engine with after burner is about _____________ decibels?

A 120

B 140

C 170

D 200

Review Detailed Answer

Correct Answer: 170

Presence of bacteria in potable (drinking) water causes_________________?

A Turbidity

B Disease

C Bad odour

D Bad taste & colour

Review Detailed Answer

Correct Answer: Disease

TLV of ozone (O3) and phosgene (COCl2) in air is _______________ ppm?

A 0.1

B 25

C 100

D 1000

Review Detailed Answer

Correct Answer: 0.1

Radioactive substances present in the polluted water stream can be removed by_________________?

A Biological oxygen treatment

B Coagulation and filtration

C Adsorption in ion exchange materials

D None of these

Review Detailed Answer

Correct Answer: Adsorption in ion exchange materials

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Growth of ______________ is promoted by the presence of manganese in water?

The pH value of oxidised sewage is about_____________________?

Arsenic pollutant is not generated in _______________ industries?

Pollution by particulate matter emission in the atmosphere does not take place during metal____________________?

Main pollutant present in automobile exhaust is_________________?

Scale formation in boiler is controlled by____________________?

Noise level heard at a distance of about 100 metres from a jet engine with after burner is about _____________ decibels?

Presence of bacteria in potable (drinking) water causes_________________?

TLV of ozone (O3) and phosgene (COCl2) in air is _______________ ppm?

Radioactive substances present in the polluted water stream can be removed by_________________?