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3. Comparision: Please compare the flowing properties of the working medium according to the processes presented in the p-v diagram. W12 and Wla2, AU12

3. Comparision: Please compare the flowing properties of the working medium according to the processes presented in the p-v diagram. W12 and Wla2, AU12 and AU 1a2; Q12 and Q la2i Wt12 and Wtja2, AH12 and AH la2. (">", or "=") a 4. Calculation: If the steam flow mass rate is 80kg/s, and the enthalpy in the entrance of turbine h-3400KJ/kg, and the enthalpy on the exit h-2100KJ/kg, determine the total work the turbine done in 1 hour.

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