On a hot summer day, the air in a well-sealed room is circulated by a 55 W fan (Note that the motor delivers 55 W of net shaft power to the fan). A anemometer sensor measures 13 m/s air velocity at a rate 0.5 m3/s (air density is 1.15 kg/m3). If the mechanical efficiency and flow efficiency are the same, calculate this efficiency and than give the rate of the electric energy .supply to the fan motor None of these .a W 216 b W 69.5 .c W 73 .d W 62 .e W 87 .f

On a hot summer day, the air in a well-sealed room is circulated by a 55 W fan (Note that the motor delivers 55 W of net shaft power to the fan). A anemometer sensor measures 13 m/s air velocity at a rate 0.5 m3/s (air density is 1.15 kg/m3). If the mechanical efficiency and flow efficiency are the same, calculate this efficiency and than give the rate of the electric energy .supply to the fan motor None of these .a W 216 b W 69.5 .c W 73 .d W 62 .e W 87 .f

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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