Question: The equation p = 2V1/(V2 + V1) shows that decreasing the exhaust pipe area will a. decrease the propulsive efficiency of a jet engine. b.

The equation ηp = 2V1/(V2 + V1) shows that decreasing the exhaust pipe area will

a. decrease the propulsive efficiency of a jet engine.

b. increase the propulsive efficiency.

c. increase the thrust of the engine.

d. decrease the thrust of the engine.

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