Thrust of liquid oxygen - liquid hydrogen rocket engine is 300 kN. The O/F rati

Question

Thrust of liquid oxygen - liquid hydrogen rocket engine is 300 kN. The O/F ratio used is 5. If the fuel mass flow rate is 12.5 kg/s, the specific impulse of the rocket motor in Ns/kg is

Options:

A . 3800

B . 4000

C . 4200

D . 4400

Answer: Option B

-NA-

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