Preview Questions Environmental Engineer | Role Specific Skill

Question 1: What are the major challenges in treating wastewater from a chemical manufacturing process?

Which action should you take?

Choose only one option

The need for frequent replacement of filtration systems

High temperatures in the effluent

The presence of a wide variety of chemical pollutants

High salinity levels in the effluent

Question 2: Which of the following technologies is most suitable for removing sulfur compounds from flue gases in a petrochemical plant?

Which action should you take?

Choose only one option

Wet scrubbers

Selective catalytic reduction (SCR)

Cyclone separation

Flue gas desulfurization (FGD)

Question 3: What is the main reason for the use of a scrubber in controlling air pollution in petrochemical plants?

Which action should you take?

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To trap particulate matter from the air flow

To convert carbon monoxide into carbon dioxide

To reduce the concentration of acidic gases like SO2 and HCl

To neutralize the temperature of exhaust gases

Question 4: What is the main advantage of using constructed wetlands for treating wastewater in chemical and petrochemical industries?

Which action should you take?

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Low operational costs

High removal efficiency for heavy metals

High energy requirements

Immediate installation without pre-treatment

Question 5: In an EIA, how would you assess the impact of a petrochemical facility on biodiversity?

Which action should you take?

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By estimating the facility's financial benefits to local communities

By conducting a biological survey of the local flora and fauna

By evaluating the impact on air quality in the region

By analyzing the thermal impacts on nearby water bodies

Question 6: What does the term "flare stack" refer to in the context of pollution control in chemical plants?

Which action should you take?

Choose only one option

A system designed to burn off excess gases in a controlled manner

A system for cooling exhaust gases before release into the atmosphere

A device that condenses vapor emissions from chemical processes

A type of filter that absorbs particulate matter