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Refrigerant 134a flows at steady state through a horizontal tube having an inside diameter of .05 m. The refrigerant enters the tube with a quality of .1, temperature of 36 C, and velocity of 10 m/s. The refrigerant exits the tube at 9 bar as a saturated liquid. Determine (a) the mass flow rate of the refrigerant, in kg/s. (b) the velocity of the refrigerant at the exit, in m/s. (c) the rate of heat transfer, in kW, and its associated direction with respect to the refrigerant.
methane is preheated to 80 c degree and is burned in 20 percent excess air that is preheated 200 c degree in a
Solar energy impinging on the outer layer of earth’s atmosphere (usually called “solar constant”) has been measured as 1367W/m^2. What is the solar constant on Mars
a wall has inner and outer surface temperatures of 16c and 6c respectively. the interior and exterior air temperatures
two tissues a and b are placed in a gas chamber and equilibrated with carbon monoxide gas at various partial pressures
Why is it appropriate to take velocity measurements at several diameters downstream of the fan?
A random sample of three bottles is selected from the running conveyor system. When the bottles are inspected, they are either properly labeled or they are not. Rejected bottles are scrapped. The proportion nonconforming is 0.25. What is the probabil..
a truck traveling at vo 60mph when the driver applies the brakes to come to stop the deceleration of the truck is
1-what are the adavanteges and disadvantages of project managment?2-what are the key charactristics all project
A house is maintained at 1 atm and 24 C and warm air inside a house is forced to leave the house at a rate of 150 m^3/h as a result of outdoor air at 5C infiltrating into the house through the cracks. Determine the rate of net energy loss of th..
water flows into an 9.0 diameter section of a piping system then it exits from 3.0 x 4.0 rectangular section. the speed
a water pump increases water pressure from 10 psia to 50 psi. determine the power input required in hp to pump 1.2 ft3s
the wheel of the slider-crank mechanism shown in the figure is rotating counterclockwise at a constant rate of 10 rads.
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