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Water vapor in a piston-cylinder assembly undergoes a process from saturated vapor at 150°C to a pressure of 300 kPa. During the process, the pressure and specific volume are related by pv 1.2 = constant. Neglecting kinetic and potential energies, determine the heat transfer and the work per unit mass of water vapor, each in kJ/kg.
a wind tunnel made of circular duct consists of a contracting nozzle a test section in which experiments are conducted
a campaign sign weighing 68 pounds is suspended from the middle of a cable stretched across a street between two
using the known radius of the earth and that g 9.80 ms2 at the earths surface find the average density of the earth.
water is pumped from a lake to a storage tank 20 m above at a rate of 70 ls while consuming 20.4 kw of electric power.
an earthen channel n0.03 has a bed width of 5.0 m a water depth h 1.5 m a 45deg side slope and a channel slope of
Two copper slabs, 3cm thick and insulated on the outside are suddenly clamped tightly together. The one on the left side is initially at 100 C and the one on the right side at 0c. Determine the left-hand adiabatic boundary's temperature after 2.3s ha..
A cantilevered beam with a circular-tube cross section has an outer diameter of 100 mm and a wall thickness of 10 mm. The load perpendicular to the beam is 15,000 N, and the beam is 1.2 m long from the point of force to the wall where the beam is fas..
steam expands in a turbine steadily at a rate of 25000 kgh entering at 6 mpa and 450degc and leaving at 20 kpa as a
a household refrigerator that has a power input of 450 w and a cop of 2.5 is to cool five large watermelons 10 kg each
saturated water vapor at 13.32 bar enters an insulated throttling valve which drops the pressure to 1.50 bar. determine
Using the data in Problem , Meredith and Smunt Manufacturing expects sales of pumps to grow by 10% next year. Compute next year's sales and the sales for each quarter.
an 8 in. id pipe is connected by means of a reducer to a 6 in. id pipe. kerosene flows through the system at 2000
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