What is called for the method of removing dust and other particles from water using filters?

Related MCQs

• Viscous type filters are made of screens of spilt wire and coated with non-drying viscous oil in order to catch and remove the dust particles from the incoming air.
• The relatively clean wastewater from baths, sinks, washing machines and other kitchen appliances is called ________
• ____________________ gas overestimates the rate of breathing and it is thus responsible for increasing the intake of other toxic gases.
• The rate of amount of water vapour present to the amount it would have contained, had it been saturated, is known as the ___________
• In urban cities like Bangalore, which of the water carriage system is used?
• The direction of water in filter beds is reversed for ______
• Rapid filtration is used as the _______ clarifying step in municipal water treatment plants.
• _______ indicates the freshness of grey water.
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• Wastewater from different sources like bathrooms, kitchens and wash basins is called ______