PNG CASA Basic Gas Turbine Practice Questions - PNG CASA Basic Gas Turbine Knowledge Examination Exam

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A gas turbine engine has an overall compressor pressure ratio (r_p) of 16:1. Assuming a ratio of specific heats (gamma) of 1.4 for air, what is the ideal thermal efficiency of this Brayton cycle?

54.7% 37.5% 68.2% 42.1%

Correct Answer:

54.7%

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