Aerospace Engineering > GATE 2019 > Engine Efficiency
The propulsive efficiency of a ramjet engine is lower than that of a low bypass turbofan engine operating under the same conditions and producing the same thrust, primarily because the ramjet engine _______.
A
has larger kinetic energy lost in the exhaust jet.
B
has lower thrust power.
C
is not self-starting.
D
has higher thrust to weight ratio.

Correct : a

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