Fresh domestic sewage is __________ in color.

More Questions from Environmental Engineering

• Which of the following is a secondary air pollutant?
• Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes
• In sewage treatment, its sedimentation is speeded up by commonly adding
• Presence of __________ bacteria in water causes disease like typhoid.
• Which of the following is a manmade source of air pollution?
• TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes
• Which of the following sources is responsible for maximum air pollution?
• Which of the following is not a practical method of low level radioactive waste disposal?
• Beyond what concentration of H2S in air, acute danger to human life exists?
• Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace.

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