Water testing relies on the detection of certain indicator organisms known as dinoflagellates acid-fast bacteria coliforms bacteroids TRUE ANSWER : ? YOUR ANSWER : ?
What is an anaerobic digester? All of these Method to convert agricultural waste into a biogas Microbe that eats hazardous waste New diet drink TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is responsible for the corrosion problem? Slime forming bacteria Iron bacteria Sulfur bacteria All of these TRUE ANSWER : ? YOUR ANSWER : ?
Advanced treatment is generally used to treat waste water to remove settleable solids remove additional objectionable substances reduce BOD remove coarse solids TRUE ANSWER : ? YOUR ANSWER : ?
Which is not a form of biomass energy? Photovoltaic production of hydrogen Composting to produce methane Ethanol and methanol production for auto fuel Incineration of solid waste TRUE ANSWER : ? YOUR ANSWER : ?
Oxidation ponds are shallow ponds, generally designed at the depth of 1 to 3 feet 2 to 40 feet 4 to 6 feet 5 to 8 feet TRUE ANSWER : ? YOUR ANSWER : ?
The filtering medium of trickling filters is coated with microbial flora, known as none of these zooglocal film zoological film geological film TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is generally not referred to the sewerage system? Storm sewers Combined sewers Solid sewers Sanitary sewers TRUE ANSWER : ? YOUR ANSWER : ?
Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate water rich in organic carbon wastes but poor in phosphate water rich in phosphate wastes but poor in organic carbon None of these water that are anoxic TRUE ANSWER : ? YOUR ANSWER : ?
The biogas production process takes place at the temperature lesser than 25°C 45-60°C all of these 25-40°C TRUE ANSWER : ? YOUR ANSWER : ?