Water within a piston-cylinder assembly, initially at 10 lbf/in.?, 400°F, undergoes an internally reversible process to 80 lbf/in.2, 800°F, during which the temperature varies linearly with specific entropy. For the water, determine the work and heat transfer, each in Btu/lb. Neglect kinetic and potential energy effects. W12 Btu/lb i m Q12 Btu/lb i m

Air enters a compressor operating at steady state at 1.05 bar, 300 K, with a volumetric flow rate of 39 m³/min and exits at 12 bar, 400 K. Heat transfer occurs at a rate of 6.5 kW from the compressor to its surroundings. Assuming the ideal gas model for air and neglecting kinetic and potential energy effects, determine the power input, in kW. Wcv = eTextbook and Media Save for Later kW Attempts: 0 of 5 used Submit Answer