5-200 μm size particles are called

More Questions from Environmental Engineering

• Which of the following is the most widely used disinfectant in water treatment?
• The most commonly used chemical coagulant in water treatment is
• Pick out the correct statement.
• Workers working in __________ industry are most prone to white lung cancer.
• The resistance of water to the passage of light through it is a measure of the
• __________ plant emits large amount of SO2 as an air pollutant.
• Higher concentration of nitrogen dioxide in atmospheric air causes
• On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because
• Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the
• World environment day is observed every year on the 5th of

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