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A heat exchanger is to heat water (Cp= 4.18 KJ/Kg.C ) from 25 to 60 C at rate of 0.2 kg/s. the heating is to be accomplished by geothermal water ( Cp= 4.31 KJ/Kg.c ) available at 140C at a mass flow rate of 0.3Kg/s. Determine the rate of heat transfer in the heat exchanger and the exit temperature of geothermal water.
Calculate the adiabatic flame temperature (at constant pressure) for ethane C2H6 in air
Five kg of water is in a closed rigid container with a volume of 0.3935 m3 and a pressure of 5.0 MPa. Draw and label the states and process on a P-v diagram and determine the amount of heat removed and work done when the pressure is reduced to 1.5 MP..
A piston cylinder device contains about 0.25kg of saturated water liquid @ 125C. Now water is heated at constant pressure until it becomes saturated vapor. How much is the work done during this process? How much is the heat transfer into the system?
Determine the forces in members DE,DF, and EF of the scissors truss shown. Also, state whether the members are in tension or compression. Note that the 400 lb force is directed along the line BF and the 800 lb force is parallel to line BF.
Steam at a pressure of 14.7psia and a temperature of 320deg F enters a diffuser inlet at a velocity of 500ft/s. The steam decelerates in the diffuser to a velocity of 100ft/s. The steam leaves the diffuser as saturated vapor at 240 deg F. The area of..
a piston of diameter 100 mm moves inside a cylinder of 100.1 mm diameter. find the percent decrease in force necessary
a thin-walled cylindrical pressure vessel of inner radius 30 mm wall thickness 3 mm and closed ends is subjected to an
the net contents in ounces of canned soup is a random varialbe with probability distribution fx 4x-11.75 11.75 lt x lt
One side of a mercury manometer is connected to the top of frictionless piston-cylinder storage tank containing 1500 liters of oil, the other side is open to the atmosphere. The difference in the height of the column of mercury in the manometer is 90..
air in a piston-cylinder device has 400 degrees f 1000 kpa with a volume of 3.5 ft3. combustion heats it to 1500 k in a
a heat pump cycle operates between a geothemial reservoir and your house. the cycle requires 200 kw to operate with a
A closed system contains 0.5 kg of nitrogen, initially at 150 KPa with a volume of 0.3 m^3. The system undergoes a poly tropic process resulting in the final state of 240 KPa and 100 C. Determine a) the poly tropic coefficient and b) the associated b..
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