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The structure of a house is such that it loses heat at a rate of 5400 kJ/h per degree Celcius difference between the indoors and outdoors. A heat pump that requires a power input of 6 kW is used to maintain this house at 21 degrees Celsius. Determine the lowest outdoor temperature for which the heat pump can meet the heating requirements of this house.
the hot water needs of a household are met by a 60 l electric water heater whose heaters are rated at 1.6 kw. the hot
a 3-stroke cycle is executed in a closed system with 1 kg of air and it consists of the following three processes a
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a horizontal cylinder is separated into two sections by an adiabatic frictionless piston. one section contains 0.2 m3
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