1.

Which of the following is the formula for specific climb?(a) SC=\(\frac{dH}{Q_f}\)(b) SC=\(\frac{dH}{dt}\)(c) SC=\(\frac{dH/dt}{Q_f}\)c(d) SC=\(\frac{dH/dt}{Q_f}\)This question was posed to me during an online interview.Question is taken from Minimum Fuel Climb in portion Climb and Descent Performance of Aircraft Performance

Answer»

Right choice is (c) SC=\(\frac{dH/dt}{Q_f}\)c

Easiest EXPLANATION: The FORMULA for specific climb is GIVEN by SC=\(\frac{dH/dt}{Q_f}\) where SC is specific thrust, \(\frac{dH}{dt}\) is RATE change of height with respect to time and Qf is fuel flow. The specific climb is CALCULATED in the units of ft/kg.



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