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A piston/cylinder system contains superheated vapor initially at 400C and 600 kPa. The system is cooled at constant pressure by exchanging heat to the surroundings until the cylinder contains only saturated liquid. The surroundings are at 25C.
Determine the total entropy generation.
A person with glasses enters a heated room at 22oC, after spending some time in the cold (the glasses are at 1oC). The glasses start to fog. Find the minimum value of the relative humidity in the room.
air enters the compressor of an ideal closed air-standard brayton cycle at 100kpa with a volumetric flow rate of 5m3s.
consider 6.0 kg of austenite containing 0.45 wt c cooled to below 727 degrees celcius 1341 degrees farenheit.a what is
a triangular field with vertices opq has sides op=402m,pq=388m,and qo=254m. find the perpendicular distance from the vertex p to the opposite side.
a 30-l electrical radiator containing heating oil is placed in a 50 m3 room. both the room and the oil in the radiator
question 1approximate the torque and power necessary to rotate the inner 20 cm diameter cylinder shown in figure 1. sae
Design a high pressure homogenizer for the manufacture of 10^6 kg per year of salad dressing.
figure 2 gives a pictorial view of a slotted guide. draw the following views in third angle ltbrgtprojection. ltbrgta a
What is the change in enthalpy (in kJ/kg) of oxygen as its temperature changes from 29°C to 181°C? Assume an ideal gas with R = 0.2598 kJ/kg-K and a ratio of specific heats of 1.4.
5 kgm of water is at 15 c and is contained in a vertical cylinder by a frictionless piston of a mass such that the
A tank at an elevation of z1 = 15 m contains 0.005 kg of saturated liquid H2O at T1 = 200 C and is attached to a paddle wheel. Take the reference state to be T0 = 25 ?C and p0 = 101.3 kPa. Compute the exergy transfer due to the process and the amount..
A piping system consists of 300 ft of 2-in pipe, a sudden expansion to 3-in pipe and then 75 ft of 3-in pipe. Water is flowing at 125 gal/min through the system. What is the pressure difference from one end of the pipe to the other?
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