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A closed rigid container has a volume of 85 liters. The system contains steam at 2 bar and has a quality of 0.9. Calculate the quantity of heat which must be removed from the system so that the final pressure of the system is 1.0 bar. Also, find the change in the enthalpies (Delta H) and entropies (Delta S) from state 1 to 2. Comment on the change in the entropy and, is it possible? Draw P-v, T-v, etc. diagrams where applicable. Use a straight edge. Draw a picture which is representative of process being analyzed.
Draw the front view and right view and the down-view.
A 200 kg crate is to be supported by the rope and pulley arrangement shown. Determine the magnitude and direction fo the force P that must be exerted on the freee end of the rope to maintain equillibrium.
a piston-cylinder device contains 1 kg of h2o. the water is at 800oc and a pressure of 20 mpa. heat transfer occurs
consider an ideal vapor-compression refrigeration cycle. the refrigerator employs refrigerant 134a as the working fluid
a 9-m-long steel e 200 gpa pipe column has an outside diameter of 220 mm and a wall thickness of 8 mm. the column is
Evaluate the maximum theoretical power that can be developed by the turbine, in kW, and the corresponding exit temperature.
a fire hose needs to deliver 25 ls of water to a maximum height of 50 m above ground level. a find the stagnation
in a tempering process glass plate which is initially at a uniform temperature ti is cooled by suddenly reducing the
Find the diameter of a pipe to convey the superheated steam flowing into the mixing process if the speed of the steam is 20m/s and also ascertain the condition of the resulting mixture.
hot exhaust gases leaving an internal combustion engine at 400oc and 150 kpa at a rate of 0.8 kgs is to be used to
Plot the total mass in the tank, in kg, and the amount of heat transfer, in kJ, versus the final quality x ranging from 0.2 to 1.0
the shaft is made of a992 steel with the allowable shear stress of tauallow 75 mpa. if gear b supplies 15 kw of power
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