13. A U-tube differential manormeter connects two pressure pipes A and B. Pipe A contains carbon tetrachlo- ride having a specific gravity 1.594 under a pressure of 11.772 N/cm and pipe B contains oil of sp. gr. 0.8 under a pressure of 11.772 N/cm. The pipe A lies 2.5 m above pipe B. Find the difference of pressure measured by mercury as fluid filling U-tube. (A.M.I.E. December, 1974) [Ans. 31.36 cm of mercury]

13. A U-tube differential manormeter connects two pressure pipes A and B. Pipe A contains carbon tetrachlo- ride having a specific gravity 1.594 under a pressure of 11.772 N/cm and pipe B contains oil of sp. gr. 0.8 under a pressure of 11.772 N/cm. The pipe A lies 2.5 m above pipe B. Find the difference of pressure measured by mercury as fluid filling U-tube. (A.M.I.E. December, 1974) [Ans. 31.36 cm of mercury]

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter39: Residential Energy Auditing

Section: Chapter Questions

Problem 7RQ: One Pascal (Pa) is equal to how many inches of water column (in. WC)?

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