Question: In an ideal Brayton cycle with regeneration, argon gas is compressed from 100 kPa and 25C to 400 kPa, and then heated to 1200C before

In an ideal Brayton cycle with regeneration, argon gas is compressed from 100 kPa and 25°C to 400 kPa, and then heated to 1200°C before entering the turbine. The highest temperature that argon can be heated in the regenerator is
(a) 246°C
(b) 846°C
(c) 689°C
(d) 368°C
(e) 573°C

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