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What is the propulsive efficiency of the unit?
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asked
Jan 17, 2018
in
PPE
by
chandu
(
215k
points)
The relative jet exit velocity from a rocket is 2700 m/s. The forward flight velocity is 1350 m/s. What is the propulsive efficiency of the unit?
a. 90%. b. 66 .66%
c. 50% d. 33.33%
ies-objectives-1
2004
ppe
jet-propulsion&compressible-flow
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