1) What is the primary goal of a wastewater treatment plant? a) To produce potable water b) To reduce environmental pollution c) To generate electricity from waste d) To filter out harmful gases 2) Which of the following is not one of four stages of wastewater treatment? a) Preliminary treatment b) Primary treatment c) Advanced treatment d) Tertiary treatment 3) What is the definition of wastewater treatment? a) The method of cultivating crops in soil b) The removal of impurities from wastewater c) A process used to generate electricity d) A system that monitors and controls the temperature 4) Which of the following is a secondary treatment method for wastewater? a) Screening b) Chemical precipitation c) Activated sludge process d) Reverse osmosis 5) What is the purpose of environmental engineering? a) To improve the quality of the environment b) To design and build large commercial buildings c) To create new technologies for space exploration d) To develop methods for increasing the global supply of fossil fuels 6) What is the threat of the wastewater treatment plant? a) High operational costs b) Climate change c) Complex maintenance d) Infrastructure limitations 7) Which of the following is one of three methods of tertiary treatment used in wastewater treatment?100 a) Filtration b) Chlorination c) Precipitation d) Ultrafiltration 8) Which of the following is not the mentioned strength of the wastewater treatment plant? a) Environmental benefits b) Public health protection c) Resource recovery d) Byproduct management 9) What is the purpose of primary treatment? a) Removal of large solids and debris. b) Settling of suspended solids. c) Biological breakdown of organic matter. d) Further removal of residual contaminants. 10) Which of the following is not the weakness of the wastewater treatment plant? a) High operational costs b) Complex maintenance c) Byproduct management d) Global Urbanization

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