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A piston-cylinder arrangement initially contains water at P = 300 psia and T = 500oF. 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) sketch the process on a P-v diagram, indicating the relative position of the saturation curve. (b) find the work done per pound of water during the expansion. (c) find the heat transfer per pound of water during the expansion. (d) find the value of the enthalpy of the water after expansion.
problem 1a steel simple beam ab is supported by a copper wire at the middle point c. the beam is subjected to a pair of
a gate in the shape of a quarter cylinder hinged at a and sealed at b is 3 m wide. the bottom of the gate is 4.5 m
consider a mass going through a polytropic process where pressure is directly proportional to volume n-1 the process
the masses of the bar and the disk are 5 kg and 10 kg respectively. the coefficient of kinetic frictionnbspbetween the
Find a cylindrical container that is large enough that it takes at least one minute to drain (you may have to create an opening at or near the bottom that gives the right behavior.
an airplane is flying at v0130 mph and with a constant time rate of increase of speed v22fts2 when it starts to climb
a gas-turbine power plant operates on the simple brayton cycle between the pressure limits of 100 and 800 kpa. air
Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 degrees Celcius (1341 degrees Farenheit).
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?
If the unit can perform its function either in State 1 or 2, find the steady-state availability A for the device.
(1) I shte cooling process polytropic? If so, what is the value of n? (2) Find the final state pressure. (3) Compute the work done for this process considering the water as a closed system.
A pitching wedge a golfer is using gives the ball a initial angle of 50 degrees, what range of velocities (Vo) will cause the ball to land within 3 ft of the hole?
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