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An Ideal reheat Rankine cycle with water as the working fluid operates the inlet of the high-pressure turbine at 8000 kpa and 450 C; the inlet of the low-pressure turbine at 500 kpa and 500 C; and condenser at 10 kpa. Determine the mass flow rate through the boiler needed for this system to produce a net 5000 kW of power and the thermal efficiency of the cycle.
1 determine for each case whether the substance is a compressed liquid superheated vapor or saturated mixture using the
a four cylinder two stroke diesel engine has a cut-off ratio of 1.8 and a compression ratio of 22. it operates with an
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a medical warmer operates using a heat pump. saturated r-12 enters the compressor at a temperture of -10 c and exits as
a child of mass 20 kg is standing on a plank inclined at 20 degrees to the horizontal. how much force does the child
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air within a piston-cylinder assembly initially at 12bar 327 degree celcius undergoes an isentropic expansion to
consider a wind turbine with a 90-m blade span subjected to 25-kmh steady winds. if the combined turbine-generator
What is the primary difference between the strength of a structure and the strength of a material? Is a strong material stiff?
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