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With a fan total pressure of 1500 Pa, a specific fan can absorb 35 kw at a speed of 1200 r/min and deliver 018

With a fan total pressure of 1500 Pa, a specific fan can absorb 35 kw at a speed of 1200 r/min and deliver 018 m/s of air at sea level. 18 C is the ambient temperature. At 33 C and atmospheric pressure, find the power and flow rate at 1450 revolutions per minute. Moreover, ascertain the fan's efficiency (15)

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