Preview Questions Environmental Engineer | Role Specific Skill

Question 1: Which of the following environmental aspects is most likely to be assessed in the "air quality" category of an EIA for a petrochemical plant?

Which action should you take?

Choose only one option

Emissions of greenhouse gases and particulate matter

Impact on flora and fauna

Noise pollution from equipment

Water discharge levels

Question 2: What is the main advantage of using a wet scrubber for controlling sulfur dioxide (SO2) emissions?

Which action should you take?

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It reduces the temperature of the exhaust gases

It effectively removes SO2 by absorption in an aqueous solution

It captures VOCs and other organic pollutants

It filters out particulate matter from the exhaust gases

Question 3: Which of the following is a common method used in chemical industries to remove heavy metals from wastewater?

Which action should you take?

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Ion exchange

Activated sludge process

Reverse osmosis

Biological treatment

Question 4: In air quality monitoring, which of the following instruments would most likely be used to monitor sulfur dioxide (SO?) in petrochemical emissions?

Which action should you take?

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Gravimetric sampler

Ultraviolet fluorescence analyzer

Flame ionization detector

Gas chromatograph

Question 5: What is the typical role of activated carbon in chemical wastewater treatment systems?

Which action should you take?

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To adsorb organic contaminants and some inorganic chemicals

To break down large organic molecules into smaller fragments

To neutralize acidic components in wastewater

To filter suspended solids in the wastewater

Question 6: What type of reactor is typically used in the treatment of wastewater containing high levels of organic matter?

Which action should you take?

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Sequencing batch reactors (SBR)

Trickling filters

Anaerobic digesters

Aerobic digesters