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A piston-cylinder arrangement initially contains water at P = 300 psia and T = 500 oF. The piston is moved to a final position where the volume is twice the initial volume. During the piston movement there is a heat transfer to the water in such a way that the pressure in the cylinder remains constant. (a) Find the work done per pound of water during the expansion. (b) Find the heat transfer per pound of water during the expansion. (c) Find the value of the enthalpy of the water after expansion.
A connection of rod of 50 mm diameter has a rectangular block 50 mm wide and 25mm thick forged at its end. A turned radius of 25 mm joins the rod and the block. Draw the projections of the rod showing curves of intersection.
a boiler receives a constant flow of 5000 kgh liquid water at 50 bar and 20 degrees c and it heats the flow such that
Air enters a THREE STAGE gas turbine at 100 kPa and 17 degree Celsius. This system uses a regenerator as well as reheating and intercooling.
a sea water is often modeled as an incompressible fluid with a density of 1025 kgm3.what is the pressure at the bottom
calculate the diameter of a medium carbon steel pin in double shear subjected to a suddenly applied shearing force of
air at the rate of 18 kgs is drawn into the compressor of a jet engine at 55 kpa and -23oc and is compressed reversibly
water enters vertically and steadily at a rate of 35 ls into the sprinkler shown in figure q.4. the sprinkler has
determine the final temperature °R, and the final pressure in lbf/in^2. Rair = 53.33 ft·lbf/lb·°R. Assume ideal gas behavior and solve problem using.
a tank has a volume of 0.35m3 and initially contains saturated vapor at 333 kpa. the valve is next opened and steam
1. consider the hoover dam hydro-electric plant located in arizona and nevada. if the average lake level is 160 m above
The weather channel reports that it is a hot, muggy day with an air temperature of 90°F, a 10 mph breeze out of the south west, and bright sunshine with a solar insulation (i.e. the solar heat source) of 400 W/m2.
if it is raining steadily at a rate of one inch per hour a container with perpendicular sides and a flat bottom would
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