1.

In which of the following the maximum rate of climb occurs?(a) It occurs when difference in thrust power and drag power is minimum(b) It occurs when difference in thrust power and drag power is maximum(c) It occurs when difference in thrust power is minimum(d) It occurs when difference in drag power is minimumThis question was addressed to me during a job interview.My question is from Climb and Descent Performance with Thrust-Producing Engines topic in division Climb and Descent Performance of Aircraft Performance

Answer»

The correct option is (B) It occurs when difference in THRUST power and DRAG power is maximum

For explanation: The maximum rate of CLIMB occurs when the difference in thrust power and drag power is maximum. The rate of climb is a function of excess thrust power.The BEST rate of climb occurs when the excess thrust power (FNV) is maximum than the drag power (DV).



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