if v₁ is the jet velocity and v₀ is the vehicle velocity, then propulsive ef

Question

If v₁ is the jet velocity and v₀ is the vehicle velocity, then propulsive efficiency of a turbojet engine is

Options:

A . V₁ / (V₀ + V₁)

B . V₀ / (V₀ + V₁)

C . 2V₀ / (V₀ + V₁)

D . 2V₁ / (V₀ + V₁)

Answer: Option C
Explanation :

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