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A piston-cylinder device contains 4.53 kg of refrigerant-134a at 1200 kPa and 60 °C. The refrigerant is now cooled at constant pressure until it exists as a liquid at 10 °C. Determine the amount of heat loss and show the process on a T-v diagram with respect to saturation lines.
a 0.3 kg softball has a velocity of 15 ms at an angle of 35deg below the horizontal just before making contact with the
a closed system contains 2-kg of air undergoes an isothermal process from 600 kpa and 200oc to 80 kpa. determine the
What are the percentages of the total heat absorption taking place in the economizer, boiler drum and the superheater, respectively? Assume cp of air and water as 1.005 kJ/kg K and 4.2 kJ/kg K, respectively.
cylinder a and cylinder b contain 0.07 grams of helium and 0.4 grams of oxygen respectively. each of these gases is
1. an employee at general electric must order bottles of compressed methane to run her gas oven test facility. the
determine the magnitude of its total accleration when (a) t=0 and (b) t=2 Whats the solution.
a jet engine propels an aircraft at 300 ms through air at 60 kpa and 0 c. the inlet diameter of this engine is 2 m the
a 3-ft-diameter circular plate is located in the vertical side of an open tank containing gasoline. the resultant force
a water pump is attached to an electric motor. the inlet and outlet diameters of the pump are the same. the volume flow
Explain the first law of thermodynamics using the conversion of a fuel (gasoline or diesel) in an internal combustion engine. Provide sufficient details (sentences and illustration) to explain the first law.
the waveform from a mechanical vibration is sensed by a velocity-sensitive vibrometer. the oscilloscope trave indicates
find the cartesian components of force p acting in the x y and z directions given p20n alpha 134.5 deg beta 55.0 deg
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