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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.

Presence of excess fluorine in water causes__________________?

A Dental cavity

B Tooth decay

C Fluorosis

D Respiratory disease

Review Detailed Answer

Correct Answer: Fluorosis

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?

A Photochemical smog

B Peroxyacetyl nitrate (PAN) or methyl nitrite

C Benzopyrene

D Polyacrylonitrile

Review Detailed Answer

Correct Answer: Peroxyacetyl nitrate (PAN) or methyl nitrite

Dissolved oxygen content in river water is around _____________ ppm?

A 5

B 100

C 250

D 500

Review Detailed Answer

Correct Answer: 5

Maximum allowable concentration of CO2 in air for safe working is _____________ ppm (parts per million)?

A 50

B 1000

C 2000

D 5000

Review Detailed Answer

Correct Answer: 50

____________ substances present in sewage are removed in grit chamber during sewage treatment?

A Organic

B Fatty

C Inorganic

D Dissolved

Review Detailed Answer

Correct Answer: Inorganic

Industrial workers working in leather tanning & manufacturing units are prone to suffer from ___________________?

A Respiratory ailments (e.g. bronchitis)

B Skin diseases (e.g. dermatitis)

C Silicosis

D Blurred vision

Review Detailed Answer

Correct Answer: Skin diseases (e.g. dermatitis)

Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by_______________?

A Chlorination

B Treating in biological oxygen pond

C Chemical coagulation

D None of these

Review Detailed Answer

Correct Answer: Treating in biological oxygen pond

Ionisation potential employed in the industrial electrostatic precipitator is of the order of_______________?

A 30 to 70 kV DC

B 30 to 70 kV AC

C 230 V AC

D 230 V DC

Review Detailed Answer

Correct Answer: 30 to 70 kV DC

Noise level during normal conversation among men is about ______________ decibels?

A 10

B 45

C 90

D 115

Review Detailed Answer

Correct Answer: 45

Exposure to small amount of ______________ results in high blood pressure & heart disease in human beings?

A Hydrogen sulphide

B Mercury

C Cadmium

D Asbestos

Review Detailed Answer

Correct Answer: Cadmium

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Presence of excess fluorine in water causes__________________?

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?

Dissolved oxygen content in river water is around _____________ ppm?

Maximum allowable concentration of CO2 in air for safe working is _____________ ppm (parts per million)?

____________ substances present in sewage are removed in grit chamber during sewage treatment?

Industrial workers working in leather tanning & manufacturing units are prone to suffer from ___________________?

Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by_______________?

Ionisation potential employed in the industrial electrostatic precipitator is of the order of_______________?

Noise level during normal conversation among men is about ______________ decibels?

Exposure to small amount of ______________ results in high blood pressure & heart disease in human beings?