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20 kg of water at 200 kPa with a quality 25% is heated under a constant volume process until its pressure reaches 400 kPa. Determine: (a) Temperature, quality, and the volume in m^3 of the final state. (b) Qualitatively plot the process on P-v and P-T diagrams. (c) The specific internal energy in kJ/kg at the initial state and final state. (d) The overall change of internal energy in kJ, i.e. deltaU = U2 - U1.
a piston cyfinder system containing 0. 5kg of air is compressed from a volume of 0. 35 m3 to a volume of 0. 1 m3. if
a medical technician uses a pair of four inch long tweezers to remove a wood sliver from a patient. the technician is
The tank cover is airtight, and the pressure above the water surface is 2 atm gage. The system is at sea level. Determine the max height to which the water stream could rise.
a new containment vessel for nuclear waste is being tested by a group of engineersnbspworking for the u.s. department
Draw the T-s diagram (hint: it would help to begin with a schematic of the cycle) and.
A heat pump uses refrigerant-134a as the working fluid in an ideal vapour-compression refrigeration cycle between 0.14 and 0.8 MPa. The refrigerant leaves the compressor at a temperature of 40° C. Determine the pressure, temperature and enthalpy a..
Calculate the net cycle work in kJ assuming air is an ideal gas with constant specific heats.
on the basis of the information given ,is it possiple to compute the magnitude of the load that is necessary to produce this change in length?
Why does a car engine stop when we turn the key even when the vehicle is running? The engine should run on alternator in case of a petrol engine and on it's own in case of a diesel engine. Then how does it stop exactly?
a 6.5m tall tank has a rectangular cross?section and is filled with water to a depth of 3.5m. assuming the pressure on
You want to know if you should replace the existing machines, which has a Cpk of 1.0. You decide to determine the Cpk for the new machines and make a decision on that basis.
At a section in a passage, the pressure is 150 kPa (abs), the temperature is 10 deg C, and the speed is 120 m/s. For isentropic flow of air, determine the Mach number at the point where the pressure is 50 kPa (abs). Sketch the passage shape.
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