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Determine the property for the given state and show on stated state diagram:
a) Water, T= 26 C and h = 2500 kJ/kg; find v [m3/kg]; and show on P-v diagram.
b) R-22, T = -18 C and P = 3.0733 bars; find u [kJ/kg]; and show on T-v diagram.
c) R-134a, P = 180 psia and v = 0.34567 ft3/lbm; find T [F]; and show on T-v diagram.
d) Air, T = 743 R and P = 40 psia; find v [ft3/lbm] and u [Btu/lbm]; and show on P-v diagram.
a pump raises the pressure of water from 100 kpa to 900 kpa and raises the velocity from 1 ms to 20 ms. the flow rate
engine oil enters staggered tube array at a temperature of 25degc and at 7 ms. the tubes have a 15-mm diameter and the
Ten pounds-mass of R-22 is at an initial volume of 4.059 ft3 and pressure of 200 psia. It is compressed isobarically until its volume is two-thirds of its initial volume. The piston is then held in place as the refrigerant cools until its temperature..
a cylinder fitted with a piston has a volume of 0.1 m3 and contains 0.5 kg of saturated liquid and vapor steam at 0.4
crosslinked copolymers consisting of 60 wt ethylene and 40wt propylene may have elastic properties similar to those
consider fully developed laminar flow between parallel plate. the heat flux through the walls of the chanel is uniform.
how long is required for half the ice cube to melt? State clearly all the assumptions you make in formulating your model of this problem.
steam flows through a small steam turbine at the rate of 10000 kgh entering at 600oc and 2.0 mpa and emerging at 0.01
refridgerant 410a is initially at 120 f and quality of 30. it undergoes a constant-pressure process. the final state is
three resistors connected in series have resistance values in the ratio 11.53.3 and combine to an equivalent resistance
molybdenum forms a substitutional solid solution with tungsten. calculate the concentration in weight percent of
a door 1 m wide and 1.5 m high is located in a plane vertical wall of a water tank. the door is hinged along the upper
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