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If power required at sea level altitude is 2005W then, determine power required at altitude at which density ratio is 0.9.(a) 2.113KW(b) 211115W(c) 2354W(d) 500WI got this question during an internship interview.I'm obligated to ask this question of Flight Mechanics in section Performance and Flight Mechanics of Aircraft Design

Answer» CORRECT OPTION is (a) 2.113KW

To elaborate: POWER at altitude = Sea-level power*[1/density ratio]^0.5

= 2005*[1/0.9]^0.5 = 2113.45W = 2.113KW.


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