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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.

Most efficient and suitable dust removal equipment for removal of fly-ash from flue gas in a thermal power plant is the__________________?

A Gravity settling chamber

B Cyclone separator

C Electrostatic precipitator

D Bag filter

Review Detailed Answer

Correct Answer: Electrostatic precipitator

White smoke coming out of the chimney of a furnace indicates the use of_________________?

A Low excess air

B Very high excess air

C Gaseous fuel in the furnace

D Liquid fuel in the furnace

Review Detailed Answer

Correct Answer: Very high excess air

Carbonaceous particles having size less than 1 μm are called___________________?

A Grit

B Aggregates

C Aerosols

D Smoke

Review Detailed Answer

Correct Answer: Smoke

Methyl isocyanate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of ______________ toxic gas?

A Moderately

B Highly

C Extremely

D Very extremely

Review Detailed Answer

Correct Answer: Very extremely

Beyond what concentration of H2S in air, acute danger to human life exists ?

A 50 ppm

B 100 ppm

C 300 ppm

D 700 ppm

Review Detailed Answer

Correct Answer: 700 ppm

Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters ?

A I-131

B Sr-90

C Au-198

D Ra-226

Review Detailed Answer

Correct Answer: Ra-226

Deaeration of high pressure boiler feed water is done to reduce ___________________?

A Foaming from boilers

B Its dissolved oxygen content

C Its silica content

D Caustic embrittlement

Review Detailed Answer

Correct Answer: Its dissolved oxygen content

The common pollutant generated in chlor-alkali industry and battery manufacture is ___________________?

A Mercury

B Brine

C Phosphate

D None of these

Review Detailed Answer

Correct Answer: Mercury

Permissible safe limit (TLV) of _____________ toxic gas is 100-1000 parts per million (ppm)?

A Highly

B Moderately

C Extremely

D Very extremely

Review Detailed Answer

Correct Answer: Moderately

The Killer gas which caused Bhopal gas tragedy in 1984 was________________?

A Phosgene

B Methyl isocyanate (MIC)

C Carbon monoxide

D Sulphur dioxide

Review Detailed Answer

Correct Answer: Methyl isocyanate (MIC)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Most efficient and suitable dust removal equipment for removal of fly-ash from flue gas in a thermal power plant is the__________________?

White smoke coming out of the chimney of a furnace indicates the use of_________________?

Carbonaceous particles having size less than 1 μm are called___________________?

Methyl isocyanate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of ______________ toxic gas?

Beyond what concentration of H2S in air, acute danger to human life exists ?

Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters ?

Deaeration of high pressure boiler feed water is done to reduce ___________________?

The common pollutant generated in chlor-alkali industry and battery manufacture is ___________________?

Permissible safe limit (TLV) of _____________ toxic gas is 100-1000 parts per million (ppm)?

The Killer gas which caused Bhopal gas tragedy in 1984 was________________?