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A frictionless piston-cylinder device and a rigid tank initially contain 12kg of an ideal gas each at the same temperature, pressure, and volume. It is desired to raise the temperatures of both systems by 15C. Determine the amount of extra heat that must be supplied to the gas in the cylinder which is maintained at constant pressure to achieve this result. Assume the molar mass of the gas is 25.
water is heated in an insulated chamber by combining it with steam. the water enters at a steady rate of 100 kgmin at
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consider a single sheet flat plate collector where the ambient temperature is 25c the insolation is 900 wm2 and
if p 400 and the coefficient of kinetic friction between the 50- crate and the inclined plane is 0.25 determine the
Calculating electrical power from a geothermal Resource, A geothermal well is producing 9000kg/second from a hot water basin at 200 ºC [enthalpy of 800 KJ/Kg].
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a c-130 pilot desires to fly a low-level navigation mission at 4 n milesmin 240 kn ground speed. winds are forecast out
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nitrogen at 80 kpa and 400 k enters an adiabatic diffuser steadily at a flow rate of 6000 kgh at 230 ms and leaves at
question 1 entropya in a coal fired thermal power station indicate where the exergy contained in the coal is destroyed.
which of the following characteristics that relate the solutes and solvents and their atoms determine the degree to
globalization which causes the countries involved to become more interconnected clearly has tremendous social and
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