EC/OCT 2009/ECW502 CONFIDENTIAL UNIVERSITI TEKNOLOGI MARA FINAL EXAMINATION COURSE ELEMENTS OF ENVIRONMENTAL ENGINEERING COURSE CODE ECW502 EXAMINATION OCTOBER 2009 TIME 3 HOURS INSTRUCTIONS TO CANDIDATES 1. This question paper consists of five (5) questions 2. Answer ALL questions in the Answer Booklet. Start each answer on a new page. 3. Do not bring any material into the examination room unless permission is given by the invigilator. 4. Please check to make sure that this examination pack consists of: i) ii) the Question Paper an Answer Booklet - provided by the Faculty DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO This examination paper consists of 3 printed pages © Hak Cipta Universiti Teknologi MARA CONFIDENTIAL CONFIDENTIAL 2 EC/OCT 2009/ECW502 QUESTION 1 a) Explain THREE (3) major treatment processes might be needed for surface water intended for potable use. (10 marks) b) Describe the function of the following components in waste water treatment process i) Primary treatment ii) Tertiary treatment (10 marks) QUESTION 2 a) State the chemical water quality parameters that are concern to environmental engineers. (6 marks) b) What is the objective of water quality monitoring (4 marks) c) Explain the main sources of pollutant in our environment (10 marks) QUESTION 3 a) Briefly explain FIVE (5) functional elements of collection systems in the solid waste management. (10 marks) b) State the factors that should be considered in evaluating potential landfill sites. (5 marks) c) Describe how the water quality index is calculated in Malaysia. (5 marks) © Hak Cipta Universiti Teknologi MARA CONFIDENTIAL CONFIDENTIAL 3 EC/OCT 2009/ECW502 QUESTION 4 a) Briefly explain water quality requirements and water quality standards for any usage. (5 marks) b) Discuss FOUR (4) methods of controlling emissions at the source. (10 marks) c) Define and give example of the following:i) Primary pollutants ii) Secondary pollutants (5 marks) QUESTION 5 a) Provide brief explanation for the following terms in environmental management i) Reforestation ii) Soil contamination iii) ISO 14000 iv) Waste minimization (20 marks) END OF QUESTION PAPER © Hak Cipta Universiti Teknologi MARA CONFIDENTIAL