A fan discharges 10,000 cfm of air through a duct 2 ft by 2ft against a static pressure of 0.90 in. of H₂O. The gage fluid density is 62 lbm/ft3 air temp. is 85°F and the barometric pressure is 28.7 in.Hgca). If the power input to the fan is measured as 3.6 Hp, What is the over-all mechanical eff'y of the fan?

A fan discharges 10,000 cfm of air through a duct 2 ft by 2ft against a static pressure of 0.90 in. of H₂O. The gage fluid density is 62 lbm/ft3 air temp. is 85°F and the barometric pressure is 28.7 in.Hgca). If the power input to the fan is measured as 3.6 Hp, What is the over-all mechanical eff'y of the fan?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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