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Which consequence results when pressure approximations violate Bernoulli's equation in rocket nozzles?

A)Detonation transitions to deflagration
B)Thrust significantly reduces at altitude
C)Boundary layer separation increases drag
D)Nozzle suffers catastrophic thermal failure

💡 Explanation

Boundary layer separation happens because an adverse pressure gradient arises violating idealized inviscid assumptions of Bernoulli's equation; this induces flow reversal and separation, therefore increasing drag significantly, rather than other failure modes which can appear under nominal condition.

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