What is the thermal efficiency possible for a power cycle

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Reference no: EM13630134

1) A closed container contains a third liquid water by volume and the rest of the volume is vapor. Select the best estimate of the quality if the pressure is atmospheric:

(a) x = 0.67
(b) y = 0.66
(c) y = 0.37
(d) x = 0.33
(e) none of the above - specify answer.

2) What is the thermal efficiency possible for a power cycle operating for heat transfer from hot reservoir of 627 kJ and heat transfer to the cold reservoir of 73 kJ?

(a) 47%
(b) 56%
(c) 63%
(d) 75%
(e) none of the above - specify answer

3) What is the heat transfer to the hot reservoir if the coefficient of performance for a refrigeration cycle is 3.5 and has power input of 3 hp?

(a) 14.7 hp
(b) 56 Btu
(c) 13.5 kJ
(d) 13.5 hp
(e) none of the above - specify answer

Reference no: EM13630134

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