What constitutes the exhaust gas at the nozzle exit of a chemical rock – McqOptions

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1.	What constitutes the exhaust gas at the nozzle exit of a chemical rocket engine?
A.	combustion products of the propellants
B.	A mixture of combustion products and surrounding air
C.	Surrounding air
D.	Propellants
Answer» B. A mixture of combustion products and surrounding air

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