Aerospace Engineering > GATE 2026 > Turbofan Engines
For a given air-standard power, the propulsive efficiency of a turbofan engine is more than that of a turbojet engine. Which of the following is/are the reason(s) for this?
A
The mass flow rate is more for a turbofan engine
B
The exit velocity is lower for a turbofan engine
C
A turbofan engine operates at a lower altitude
D
The fan of a turbofan engine consumes lesser power

Correct : a,b

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turbofan engine efficiency turbojet engine comparison GATE Aerospace Engineering 2026 propulsive efficiency turbofan vs turbojet higher mass flow rate lower exit velocity turbofan lower altitude fan power consumption

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