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A neighborhood fuel cell power plant is to be designed for an electric power output of 2000 kW with liquid-water product. Estimate the flow rates of hydrogen and oxygen during peak power production, assuming an 80% efficient power conditioner is used to convert DC to AC power and the fuel cell efficiency is 55%. What is the plant heat rate?
an insulated piston-cylinder device contains 2kg of saturated liquid water with an electric resistance heater in the
superheated steam at 120 bar and 520c leaves the steam generator of a vapor power plant and enters a turbine with an
consider a hot-air balloon which is comprised of a basket miscellaneous ropes a burner a fuel tank and of course the
a piston-cylinder device contains 6 kg of h2 and 21 kg of n2 at 160 k and 5 mpa. heat is now transferred to the device
Determine the irreversibility rate of the turbine, the turbine's entrance and exit specific flow availabilities and the turbine's actual output power.
To test the aerodynamics of a new prototype automobile a scale model will be tested in a wind tunnel. For dynamic similarity, it will be required to match Reynolds number between model and prototype.
The beams shown in the figure are subjected to bending moments M = 2100 lb-in. Each beam has a rectangular cross section with height h= 1.5 in. and width b = 0.375 in. (perpendicular to the plane of the figure).
1.water flows at 50oc inside a 2.5-cm-inside-diameter tube such that hi 3500 wm2 oc. the tube has a wall thickness of
an old fashioned glass apothecary jar contains a patent medicine. the neck is closed with a rubber stopper that is 20
horizontal motion of the piston rod of the hydraulic cylinder in figure 7 controls the rotation of link ob about o. for
Explain glass transition temperature? Present some of the key properties and typical uses of Al2O3? What are main ingredients used in making Pig Iron and how is the oxygen removed.
Knowing that θ= 80° and that the coefficient of static friction between the blocks and the horizontal surface is 0.30, determine the largest value of P for which equilibrium is maintained.
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