Question: An engine working on ideal Otto cycle has temperature and pressure, at the beginning of isentropic compression as 2 5 C and 1 . 5

An engine working on ideal Otto cycle has temperature and pressure, at the beginning of isentropic compression as 25C and 1.5 bar respectively. Find the compression ratio, if =1.4 and thermal efficiency of the engine =48%. Also find temperature and pressure at the end of compression.

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