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A turbine with one bleeding for regenerative heating of feed water is admitted with steam having enthalpy of 3200 kJ/kg and the exhausted steam has an enthalpy of 2200 kJ/kg. The ideal regenerative feed water heater is fed with 11350 kg/h of bled steam at 3.5 bar (whose enthalpy is 2600 kJ/h). The feed water (condensate from the condenser) with an enthalpy of 134 kJ/kg is pumped to the heater. It leaves the heater dry saturated at 3.5 bar. Determine the power developed by the turbine.
A heat pump with a COP (coefficient of performance) of 2.8 is used to heat an air-tight house. When running, the heat pump consumes 5 kW of power
a kitchen contains a standard refrigerator and a window air conditioner. the refrigerator operates at steady state
discuss whether the following situations should be modeled as closed systems or open systems. clearly define the
A construction manager just starting in private practice needs a van to carry crew and equipment. She can lease a used van for $3,051 per year, paid at the beginning of each year, in which case maintenance is provide. Alternatively, she can buy a use..
Define: (i) specific heat capacity (ii) molar heat capacity. (b) Distinguish between: (i) heat capacity at constant volume and constant pressure
calculate the steady state heat transfer rate in jmm2bulls through a rod of copper 10 mm thick if the temperature
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liposomes are promising molecules in gene transfer technology because of their similarity to cell membranes and their
the disc of a torsional pendulum has a moment of inertia of 0.05kgm2 and is immersed in a viscous fluid. the shaft to
Estimate the mass of the gas in the tank in kg assuming the gas behaves as an ideal gas. If the gas warms up to 35 deg C as it sits in the sun all day, what would the pressure rise to?
A pump is used to raise the pressure of water from 0 psig to 55 psia. How much power (in kW) will be required to pump 1.5ft3/s of water? What is the effect of the water temperature on the pump power that is required?
Single degree of freedom vibration problems with forcing functions, Need help with this Undergraduate problem where two dampers are in series.
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