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WorksheetsQuiz 2
Total questions: 10
Worksheet time: 6mins
Fecal coliforms are commonly chosen to indicate pathogen for biological water quality analysis because:
They are pathogenic to human body
They are found in intestinal tracts of humans
They do not survive for a long time outside body
They multiply in streams
What is the industrial effluent defined by Department of Environment (DOE) Malaysia?
Any waste in the form of liquid or wastewater generated from manufacturing process including the treatment of water for water supply or any activity occurring at any industrial premises
Any water that has been adversely affected in quality by anthropogenic influence and can originate from a combination of domestic, industrial or commercial activities
Any waste in the form of liquid or wastewater containing both industrial effluent and sewage
Any liquid waste or wastewater discharge containing human, animal, domestic matter in suspension or solution, and includes liquids containing chemicals
Which of the following treatment systems are not categorized under attached growth processes?
Rotating Biological Contactor (RBC)
Trickling Filter (TF)
Raceway Pond (RP)
Integrated fixed film activated sludge (IFAS)
One of the sewage treatment plant (STP) in Selangor is planning to reuse the final discharge for drinking. What is the suitable unit operation to polish final discharge from the STP up to drinking water level?
Membrane filtration
UV disinfection
Sand filtration
Chemical precipitation
Which industry does not produce high organic wastewater?
Mineral acid industry
Oil refining industry
Textile industry
Brewery industry
