A fan draws 1.42 m per second of air at a static pressure of 2.54 cm of waterthrough a duct 300 mm diameter and discharges it through a duct of 275 mmdiameter. Determine the static fan efficiency if total fan mechanical is 70% and air ismeasured at 25°C and 760 mm Hg.SOLIA. 50.11%B. 54.34%C. 65.67%D. 45.34%SOLUTION:BluMotorPWa =RT- 2.54 cm101.325Wa =0.287(25 + 273)Q - 1.42 cu.m/sWa = 1.18 kg/m®hVhew%3D275 mm dia.FCRI300 mm dia.

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Answered: A fan draws 1.42 m° per second of air…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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A fan draws 1.42 m° per second of air at a static pressure of 2.54 cm of water through a duct 300 mm diameter and discharges it through a duct of 275 mm diameter. Determine the static fan efficiency if total fan mechanical is 70% and air is measured at 25°C and 760 mm Hg.