For a rocket having 95% combustion efficiency, total chemical power o – McqOptions

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1.	For a rocket having 95% combustion efficiency, total chemical power of 17MW, a mass flow rate of propellants of 15 kg/s, and effective jet exhaust velocity of 1443 m/s, find the internal efficiency of rocket propulsion.
A.	97%
B.	95%
C.	93%
D.	91%
Answer» B. 95%

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