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Which outcome occurs from increased backpressure in a turbine?

A)Engine efficiency undergoes significant degradation
B)Increased blade speeds above design limits
C)Complete combustion within the cylinders
D)Volumetric airflow rate becomes significantly elevated

💡 Explanation

Increased backpressure directly hinders the exhaust phase within cylinders of the turbine, because there is a rise in pressure across the turbine resulting from increased opposing force; therefore engine efficiency degrades dramatically rather than burning the fuel more completely.

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