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1. The most economical flow control valve for use with large diameter pipes is a





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MCQ->The most economical flow control valve for use with large diameter pipes is a....
MCQ->Consider the following statements : 1. Butterfly valve is used for throttling and controlling flow rate. 2. Check valve is used in the discharge piping of a pump. 3. Air-relief valve is placed in the pipeline at the valleys to automatically vent the accumulated air in the system 4. Altitude valve is provided in user overhead tank. Which of the statements given above are correct ?....
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