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Propeller has diameter of 25 unit. What will be the static tip speed of the propeller? (Given n = 1200rpm.)(a) 1570.8 unit(b) 3004.5(c) 2345.67 unit(d) 7643.23I had been asked this question in an interview for internship.My enquiry is from Propulsion in chapter Propulsion and Fuel System Integration of Aircraft Design

Answer»

The correct ANSWER is (a) 1570.8 UNIT

For explanation: GIVEN, DIAMETER d = 25 unit, n = 1200rpm.

Now, static tip speed V = ᴨ*n*d/60 = ᴨ*1200*25/60 = 1570.8 unit.



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