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Two reversible engines are connected in series. The first one receives heat at Tº K and rejects heat at 1527 °C. The second one receives the heat rejected by the first at 1527 °C and then expels heat at 527 °C. Find the temperature T for equal efficiencies of the two engines. (a) 3240° K (b) 2800° K (c) 2054⁰ K (d) 1000⁰ K (e) 3100° K

Two reversible engines are connected in series. The first one receives heat at Tº K and
rejects heat at 1527 °C. The second one receives the heat rejected by the first at 1527 °C
and then expels heat at 527 °C. Find the temperature T for equal efficiencies of the two
engines.
(a)
3240° K
(b)
2800° K
(c)
2054⁰ K
(d)
1000⁰ K
(e)
3100° K

Grade:12th pass

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