In order to prevent water to flow back in opposite direction, we shall use a

Related MCQs

• A valve which allows the water to flow in one direction but prevents its flow in the reverse direction, is known as
• The self cleaning velocity, recommended for Indian conditions, in order to prevent settling down of seqage at the bottom or on the sides of a large sewer is
• In order to control the flow of water through pipes, a
• In designing a water works for a city to meet the water demand for public use, a provision of about
• For house drainage and lateral connections, we shall use
• To prevent the formation of crystalline hydrates of 'Ice' of chlorine, the chlorine supply cylinders are kept at a temperature from
• A pressure relief valve is provided to prevent
• The continuous flow of water may be expected from
• The amount of water collected in a reservoir is divided into three portions and the order of their existance from bottom to the top is
• The process of adding certain chemicals to water in order to form flocculent precipitate for absorbing and entraining colloidal mater is called sedimentation with coagulation.