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A rigid tank is divided into two equal parts by a partition. One part of the tank contains 5.2kg of compressed liquid at 400 kPa and 50 degrees Celcius while the other part is evacuated. The partition is now removed, and the water expands to fill the entire tank. Determine the entropy change of water during this process if the final pressure in the tank is 40kPa.
the upside-down steel a frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using
consider a fuel cell pt1h2 0.5 atmnaoh 1mo2 1 atmpt2a which pt electrode is the cathode and explain why?b what are two
a golfer hits a golf ball from point a with an initial velocity of 50ms at an angle of 25 degrees with the horizontal.
determine the shortest time possible for the rear wheel drive 2 mg truck to achieve a speed of 16 ms with a constant
sludge is wet solids that result from the processing in municipal sewage systems. the sludge has to be dried before it
an air-standard diesel cycle operates with a compression ratio of 18. at the beginning of the compression process the
consider a roof of a house of thickness l 20 cm thermal conductivity k 1 wm k and emittance of the external surface
the position of a crate sliding down a ramp is given by x 0.25t3 y1.5t2 z6-0.75t2.5 all in units of m where t is in
a 20 cm diameter sphere is made of a heat-generating material that produces 106 wm3. the sphere is cooled by 20oc air
an engine undergos an expansion process that has an initial pressure of 1000 psia and volume of 0.008 ft3. the volume
a four cylinder four stroke gasoline internal combustion engine has a bore of 9.4 cm and a stroke of 8.6 cm. the
Two slender rods of negligible weight are pin-connected at A and attached to the 18-lb block B and the 80-lb block C. The coefficient of static friction is 0.55 between all surfaces of contact. Determine the range of values of P for which equilibr..
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