Which of the following is correct?(a) (Vtip) static = π*n*d/60 fps(b) (Vtip) static = n*d feet(c) (Vtip) static = 2*n*d/360 s(d) (Vtip) static = d/60 fsThis question was posed to me in examination.My question is based upon Propulsion in portion Propulsion and Fuel System Integration of Aircraft Design

Which of the following is correct?(a) (Vtip) static = π*n*d/60 fps(b)

1.	Which of the following is correct?(a) (Vtip) static = πnd/60 fps(b) (Vtip) static = nd feet(c) (Vtip) static = 2n*d/360 s(d) (Vtip) static = d/60 fsThis question was posed to me in examination.My question is based upon Propulsion in portion Propulsion and Fuel System Integration of Aircraft Design
Answer» Right OPTION is (a) (Vtip) static = πnd/60 fps Best explanation: CORRECT relation is given by, (Vtip) static = πnd/60 fps Where, n = rpm BASED on engine data d = diameter Units should be observed CAREFULLY and EQUATION should be used accordingly.

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