Q. _______ valves are used to discharge air from the water pipelines.

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Q. _________ valve allows water to flow in one direction only.

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Q. Which of the following is known as washout valve?

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Q. Which of the following valve is known as a safety valve?

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Q. Which of the following is also known as a check valve?

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Q. The valve which is preferred in elevated tanks and stand pipes is ____________

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Q. ______ valves are used to remove sand and silt from the pipelines.

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Q. The method of distribution of water is divided into how many types?

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Q. In which of the following distribution system, the clean water flows entirely under gravity?

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Q. The pressure in the distribution mains does not depend on ____________

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Q. The pressure in distribution mains in a residential building up to three storeys is ____________

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Q. There is a 8 storey residential building in Lucknow. What is the pressure in the distribution mains?

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Q. The velocity of water in a 10 cm diameter pipe should be ____________

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Q. In which system of water supply, water is available for 24 hours but uneconomically used?

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Q. In which system of water supply, water is supplied only during fixed hours of the day?

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Q. The velocity of water in the pipe is 1.8m/Sec. What is the diameter of pipe used?

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Q. The hourly demand rate is constant throughout the day.

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Q. According the mass curve method, the storage capacity is defined as ____________

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Q. _______ causes hoop tension in pipe shell.

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Q. The water supply pipes are buried underground. The load on the buried pipe due to earth filling is given by ____________

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