Fresh sewage is __________ in nature.

More Questions from Environmental Engineering

• The earth's atmosphere is an envelope of gases present upto a height of about __________ kms.
• Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas?
• A standard test for determination of hardness in water is termed as __________ test.
• Which of the following is not a weightless pollutant?
• Aerosols present in atmospheric air may be
• Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by
• For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm.
• In a sedimentation tank, the detention period for water ranges from __________ hours.
• The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels.
• Noise pollution level in a chemical plant is expressed in

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