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← ScienceWhich outcome results when jet fuel viscosity increases excessively in an airliner's fuel system?
A)Reduced fuel pump cavitation erosion
B)Enhanced compressor blade heat transfer
C)Decreased injector nozzle atomization✓
D)Improved laminar boundary layer thickness
💡 Explanation
Reduced injector nozzle atomization results because increased fluid viscosity leads to higher surface tension, creating larger droplets during 'atomization'. Therefore, larger, less-combustible droplets mean less efficient combustion, rather than A/B/D since they depend significantly less on viscosity.
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