If Pe represents exit pressure and Pa represents the atmospheric press – McqOptions

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1.	If Pe represents exit pressure and Pa represents the atmospheric pressure, what is the condition for a nozzle to be overexpanded?
A.	P<sub>e</sub> < P<sub>a</sub>
B.	P<sub>e</sub> > P<sub>a</sub>
C.	P<sub>e</sub> = P<sub>a</sub>
D.	P<sub>e</sub> = 0.5*P<sub>a</sub>
Answer» B. P<sub>e</sub> > P<sub>a</sub>

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