The efficiency of Brayton cycle is given by (rk is the compression rat

1.	The efficiency of Brayton cycle is given by (rk is the compression ratio)
A.	1/(rk)^(‚Äö√Ñ¬∂¬¨¬£-1)
B.	1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1/(rk)^(‚Äö√Ñ¬∂¬¨¬£)
C.	1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1/(rk)^(‚Äö√Ñ¬∂¬¨¬£-1)
D.	1/(rk)^(‚Äö√Ñ¬∂¬¨¬£)
Answer» D. 1/(rk)^(‚Äö√Ñ¬∂¬¨¬£)

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