Illustrate the first law of thermodynamics, Mechanical Engineering

(a) Illustrate the First Law of Thermodynamics for a closed system undergoing a cycle.

(b) A piston and cylinder machine contains a fluid system which passes through a complete cycle of four processes. During a cycle, the sum of all heat transfers is - 170KJ. The system completes 100 cycles per minute. Complete the following table showing the method for every item, and complete the net rate of work output in KW.

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