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A domestic water heater holds 189 L of water at 60 degrees C 1 atm. Determine the exergy of the hot water, in kJ. To what elevation, in m, would a 1000-kg mass have to be raised from zero elevation relative to the reference environment for its exergy to equal that of the hot water? Let Tsubzero = 298K, psubzero = 1 atm, and g = 9.81m/s^2.
estimate the land area required to grow willow that would provide 1 gw of power in a region where the annual solar
A ball with a mass of 0.25 kg is thrown vertically upward with an initial velocity of 10 m/s. What is the velocity of the ball when it reaches the highest point?
air enters an insulated diffuser operating with steady flow and at steady state with a pressure of 0.7 bar a
Describe the machinability evaluation criteria, is it a quantitative or qualitative evaluation and describe the High Speed Machining of Steel/Iron or Aluminium
calculate the radius of an silver atom in cm given that ag has an fcc crystal structure a density of 10.5 gcm3 and an
What is the work you get out of each kJ of heat extracted from the basin? Repeat for the case that the water is at 100C. Comment on why efficient car engines run so hot.
Aeroplane Dynamics, Determine the steady thrust that would enable a 200-tonne airliner to reach its take-off speed (75 m sâ?'1), from rest, in 30 s
how long is required for half the ice cube to melt? State clearly all the assumptions you make in formulating your model of this problem.
at a ski resort water at 40 f is pumped through a 3-in diameter 2000ft long steel pipe from a pond at an elevation of
Design of absorption column and the cooler. Process design of other units should be completed along with pipe sizes.
a polyethylene bar having diameter d14 inches is placed inside a steel tube having inner diameter d2 4.01 inches. the
three monkeys a b and c weighing 23 23 and 20 lb respectively are climbing up and down the rope suspended from d. at
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