How much work is performed by this engine in one cycle

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During one cycle a heat engine transfers 4 X 103 J of heat from a hot reservoir and exhausts 2.4 X 103 J to a cold reservoir.

[a] What is the efficiency of the engine?

[b] How much work is performed by this engine in one cycle?

[c] What is the coefficient of performance of a heat pump that removes 3 X 103 J of heat from a cold reservoir and exhausts 4 X 103 J to a hot reservoir during one cycle?

Reference no: EM13489642

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