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A refrigeration cycle has a coefficient of performance equal to 75% of the value for a reversible refrigeration cycle operating between cold and hot reservoirs at 258C and 408C, respectively. For operation at steady state, determine the net power input, in kW per kW of cooling, required by
a) The actual refrigeration cycle and (b) the reversible refrigeration cycle. Compare values.
a piston cylinder device contains 0.5 kg of water at 1.0mpa and 400oc. now it is cooled to 1mpa in sat-v phase.
design a compound gear train that yields a train value of 3001. from interference considerations no pinion shouicl have
an 8 ft3 tank contains air at an initial temperature of 80f and intial pressure of 100psi. the tank develops a small
1. how much pressure is required for a force output of 62275 newtons if the effective piston area of the cylinder is
compute the number of kilograms of hydrogen that pass per hour through a 5-mm thick sheet of palladium having an area
a 3 kg piece of steel is removed from an oven at 700c and placed a water bath.the final temperature of the water is 80c
given that the instantaneous voltage across a capacitor isvc401-e-tcrvoltswhen being chargerd by a 40 volt dc supply
a 3 ft. diameter cylindrical block with specific weight 50 lbft3 is supported by a spring whose force is given by
i need the answer with calculating steps and details. assignment attached as a jpeg for reference
Water (at 15 C) flows out of a nozzle that is attached to a garden hose. The volume flow rate is through this nozzle at a rate of 25 x 10-5 m3/s, which discharges into the atmosphere. The diameter of the garden hose is 1.5 cm, while the diameter of t..
it is desired to put oil hole through a part subjected to a stress field given by sigma xx 15 ksi sigma yy -15 ksi
a river running at 500 m3s is collected in a reservoir behind a dam. the turbine is located 75 m below the water
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