1-3 A multistage air compressor compresses air from 1 bar to 40 bar. The maximum temperature in any stage is not to exeed 400k. If the low of compression for all the stages is puts const. and the initial temperature is 300k, find the i) Number of stages for minimum power ii) Intermediate pressure for optimum compression as well as the power needed.

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Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.