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Which outcome occurs when jet fuel viscosity exceeds limits?

A)Increased frictional head losses appear
B)Fuel pump cavitation decreases drastically
C)Combustion efficiency then consequently improves
D)Reynolds number reaches critical laminar value

💡 Explanation

Increased viscosity causes higher fluid friction, resulting in increased frictional head losses along fuel lines because the Momentum transfer increases drastically through the Fuel. Therefore, head losses increase, rather than decreased cavitation, because higher viscosity doesn't promote earlier transitions toward turbulence.

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