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Heat is added to a piston-cylinder device that initially contains 2 kg of water at 300 °C and a quality of 0.3. The water expands at a constant pressure until its volume increases by a factor of 2, at which point the piston hits a stop that prevents further expansion. Heat continues to be added until the pressure reaches 1200 kPa. Determine the final temperature of the water, the amount of work done by the expansion, and the amount of heat added.
estimate the land area required to grow willow that would provide 1 gw of power in a region where the annual solar
find the stresses in a point of a rod that is fixed to a wall and have a load in the edge or better known as a cantilever.
A table shows values of a force function f(x), where x is measured in meters and f(x)in newtons. Use Simpson's Rule to estimate the work dome by the force in moving an object a distance of 18m
a 10 cm x 10cm sheet of material is 2 cm thick and made of a material with a conductivity of 0.5wmk?. one side of this
Two bars, one having a circular section of radius b, the other an elliptic section with semiaxes a,b. For equal angles of twist, which bar experiences the larger shearing stress?
a gas turbine has a three-stage compression with inter-cooling and a three-stage expansion with re-heating. air enters
air is constantly being recirculated throughout the me building. in the summer that air is also cooled using chilled
Calculate the time rate of change dHB/dt of angular momentum about point B when the particle passes the bottom of the guide at C.
data analysis of the breaking strength of a certain fabric shows that it is normally distributed with a mean of 300 lb
calculate the energy for vacancy formation in al given that the equilibrium number of vacancies at room temperature 25
determine the compressor work input requireed to compress steam isentropically from 100 kpa to 1 mpa assuming that the
You are designing a remote-area power supply based on a miniature wind turbine that is 20% efficient. Meteorological data indicates an average wind speed of 24 km/h at an air temperature of 10oC and pressure of 0.9 atm. The rotor has a diameter of..
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