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Environmental Engineering in Chemical Engineering MCQs

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Practice free Environmental Engineering in Chemical Engineering multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 51 questions — no login required.

Question 19easy

Nitrogen oxides (NO_x) is not produced in the __________ industry.

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Question 20easy

TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm.

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Question 21easy

Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume).

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Question 22easy

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

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Question 23easy

Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.

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Question 24easy

Which of the following is the most severe air pollutant?

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Question 25easy

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

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Question 26easy

Which of the following is a green house gas other than CO₂?

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Question 27easy

As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram)

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