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An insulated piston-cylinder device contains 5 L of saturated liquid water at a pressure of 200 kPa. An electric resistance heater inside the cylinder is turned on and electrical work is done on the steam in the amount of 2200 kJ. Assume a constant pressure process. Determine the total entropy change of the water during this process in kJ/K.
crate slides down the section of the spiral ramp such that r .5zft and z 100 - .1t2ft where t is in seconds. if the
a spherical hot-air balloon is initially filled with air at 120 kpa and 35oc with an initial diameter of 3 m. air
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
If the final pressure is 1.0 MPa, determine (a) the temperature (°C) at the final state and (b) the heat transfer (kJ) during this process.
a 1kg fluid is compressed reversibly according to a law pv0.25 where p is in bar and v is in m3kg. the final volume is
the two bars shown in the figure are used to support a load p. when unloaded joint b has coordinates 0 0. after load p
a stationary radar operator determines that a ship is 19 km south of him. an hour later the same ship is 16 km
a heat engine is operating on a carnot cycle and has a thermal efficiency of 55. the waste heat from this engine is
herzberg specifically classed salary as a hygiene factor not a motivator. how does salary fit in with maslows
water is pumped from a lake to a storage tank 20m above at a rate of 70ls while consuming 20.4kw of electrical power.
Calculate the magnitude of the moment about the base point O of the 600 N force and calculate and draw the shear force and bending moment diagram for the cantilever beam
Also find out a compression ratio and inlet pressure to give maximum imep. engineering fundamentals of internal combustion enignes - pulkrabek.
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