A cyclic machine, shown in Fig. P5.56, receives 300 kJ from a 1000-K energy reservoir. It rejects 120 kJ to a 400-K energy reservoir, and the cycle produces 180 kJ of work as output. Is this cycle reversible, irreversible, or impossible? TH= 1000 K ☺ Cyclic machine Qu= 300 kJ गु. T₁ = 400 K Figure P5.56 W = 180 kJ Q₁ = 120 kJ Consider the previous problem and assume the temperatures and heat input are as given. If the actual machine has an efficiency that is half that of the corresponding Carnot cycle, find the work out and the rejected heat transfer.

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Project Management Techniques

The guideways or the roadways that are undertaken to perform a project efficiently and all the tools required to accomplish the task are the general outlines for project management techniques.