Which of the following factors are inversely proportional to the range of the aircraft?(a) Altitude(b) Ambient relative pressure(c) Temperature(d) Mach numberThis question was posed to me in an internship interview.Enquiry is from Effect of WAT on Cruise Performance topic in section Cruising Performance of Aircraft Performance

Which of the following factors are inversely proportional to the range

1.	Which of the following factors are inversely proportional to the range of the aircraft?(a) Altitude(b) Ambient relative pressure(c) Temperature(d) Mach numberThis question was posed to me in an internship interview.Enquiry is from Effect of WAT on Cruise Performance topic in section Cruising Performance of Aircraft Performance
Answer» CORRECT choice is (b) Ambient relative pressure Explanation: The ambient relative pressure is inversely proportional to the range of the aircraft. Altitude increases with increase in the aircraft range. The air temperature increases with increase in the aircraft range. This is because the TRUE airspeed (TAS) increases and the aircraft flies further in the given time during which it burns same QUANTITY of the FUEL.

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