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Refrigerant 22 enters the valve of a refrigeration system with a pressure of 14 bars and a temperature of 32 C and exits at a pressure of 4 bars.
Neglecting heat transfer and any changes in potential and kinetic energy, determine the quality of the refrigerant at the exit of the valve.
develop equations which may be solved to give the final temperature of the gas remaining in a tank after the tank has
In a DC planar magnetron sputtering system at 1000 V, the cathodeanode spacing is 10 cm. What magnetic field should be applied to trap electrons within 0.5 cm of the target?
2.51 a body whose surface area is 0.5 m2 emissivity is 0.8 and temperature is 150 is placed in a large evacuated
the position of an object is moving along an x axis is given by x3t - 4t2t3 where x is in meters and t is in
Derive the equilibrium conditions for an isolated system consisting of two regions separated by a membrane and with three components A, B, and C. The membrane is rigid, heat conducting, and only permeable to component A.
one kilogram of saturated liquid methane at 160 k is placed in an adiabatic piston-and-cylinder device and the piston
A simplex DC generator is driven by a diesel engine. The generator is lap wound, with 8 coils, 100 turns per coil and 2 poles and generates 200V at a speed of 1000rpm. Find the flux per pole required to generate this voltage.
a balloon filled with helium initially at 27 degree c and 1 bar. is released and rises in the atmosphere until the
A tank contains a two-phase liquid-vapor mixture of Refrigerant 22 at 10 bar. The mass of saturated liquid in the tank is 25 kg and the quality is 60%. Determine the volume of the tank, in m^3, and the fraction of the total volume occupied by saturat..
Calculate the temperature of a fluid when both a Fahrenheit and a Celsius thermometer are immersed in it, under the following conditions: a) the numerical reading is identical in both thermometers and b) the Celsius reading is numerically twice that ..
a 2 kg block of wood rest on the table top. A 7g bullet is shot straight up through a hole inthe table beneath the block. the bullet lodge in the block and the flies 25 cm above the table top. how fast was the bullet going initial?
A flow of 1 kg/s air at 300 K is mixed with a flow of 2 kg/s air at 1500 K in an insulate pipe junction at a pressure of 100 kPa. Find the exit temperature and the energy destruction.
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