Determine the enthalpy of the water at the pump exit
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A 1 kg block of copper at 350°C is quenched in a 10 kg oil bath initially at ambient temperature of 20°C. Calculate the final uniform temperature (no heat transfer to/from ambient) and the change of availability of the system (copper and o
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Liquid water enters a pump at 15°C, 100 kPa, and exits at a pressure of 5 MPa. If the isentropic efficiency of the pump is 75%, determine the enthalpy of the water at the pump exit, in KJ/kg.
Heat in the amount of 100 kJ is transferred directly from a hot reservoir at 1200 K to a cold reservoir at 600 K. Calculate the entropy change of the two reservoirs and determine if the increase of entropy principle is satisfied.
A diesel engine has a state before compression of 95 kpa, 290 k, a peak pressure of 6000 kpa, and a maximum temperature of 2400 K. Find the volumetric compression ratio and the thermal efficiency.
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Water at 10 degrees C flows throug a smooth 60-mm-diameter pipe with an average velocity of 8m/s. Would a layer of rust of height 0.005mm on the pipe wall protrude through the viscous sub layers? Explain.
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