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An ideal diesel engine has a compression ratio of 15 and uses air as the working fluid. The state of air at the beginning of the compression process is 70kPa and 303.15K. If the maximum temperature in the cycle is not to exceed 1500K, calculate the cutoff ratio, and determine the thermal efficiency of the cycle. Simmarize the ralrulatinn valune ueine the tahie Calculate for the initial volume at state 1, which should also be the volume of state 4. Using the definition of the compression ratio, determine the volume at state 2. [ Determine the temperature and volume at state 2. Calculate for the pressure and volume at state 3. Calculate the cutoff ratio