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A piston cylinder assembly contains a two phase liquid vapor mixture of h2o at 200lbf/in^2 with a quality of 80%. The mixture is heated and expands at a constant pressure until the final temperature of 480 degrees F is reached. Determine the work for the process in Btu per lb of water present.
a heat pump with a coefficient of performance of 3.5 provides energy at an average rate of 70000 kjh to maintain a
steam at 35 bar and 600 degree k enters a throttling valve that reduces the steam pressure to 7 bar. assuming there is
a force f applied to an object of mass m1 produces an acceleration of 3.40 ms2. the same force applied to a second
a laser is directed at a double-slit arrangement. if we increase the wavelength of the light which of the following
a 15-hp shaft pump is used to raise water to a 45-m higher elevation.if the mechanical efficiency of the pump is 82
a sphere of naphthalene having a radius of 2mm is suspended in a large volume of shell air at 318 k and 1 atm. the
A satellite has been placed in a circular, sun-synchronous orbit at an altitude of 1300.0 km. The satellite has a mass of 5,000.0 kg. What is the K.E. of the satellite?
a gas is contained in a vertical fractionless- cylinder device. the piston has a mass of 4 kg and cross sectional area
for each pair of second-order system time domain specifications below find the corresponding region for the poles in
r-134a is throttled from 1200kpa and 40oc to 200kpa. it is known that heat of 5kjkg is lost from r-134a to the
a mixture of methane and air is flammable only if the mole percent of methane is between 5 and 15. a mixture containing
the decision at hand is replacing the high grade muffler system with one made with low grade cheaper materials. the
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