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water vapor initially at 30 mpa and 300 c is contained within a piston-cylinder assembly the water is cooled at
a 20 mw back-pressure steam turbine receives steam at stagnation pressure of 4 mpa and stagnation temperature of 300oc
create a pressure-enthalpy diagram for r134a be sure to show the saturated liquid line and the saturated vapor line
determine displacement in of a 108 in diameter steel bar which is 834 ft long under a force of 33222 lb if elasticity
1 using the graph paper provided plot graph of voltage vs current for the data in each table plot the entire graph on
hot combustion gases of a furnace are separated from the ambient air and its surroundings which are at 25 c by a brick
the efficiency of a refrigerator is given by the coefficient of performance copa write two different expressions for
heat is transferred from a stream of water to the refrigerant in the evaporator and from the refrigerant to another
1 diffusion in liquids commonly assumed a rigid sphere in a continuum when would this model be most accuratewhen could
a container holds 10 kg of water at 130 c with a quality of 4 what is the pressure in the container the volume of the
you have a large hydraulic cylinder with a piston diameter of 800 inches the rod of the cylinder is extended 48 inches
after the initial cleanup effort at three mile island approximately 400000 gallons of radioactive water remained in the
an irreversible gas-turbine power plant has a compressor with an inlet state of 1 bar and 22degc and an outlet state of
a frictionless piston-cylinder contains 30 kg of h2o and is initially at 300 kpa the initial volume is 10 m3 the water
assuming air to be an ideal gas what would be the mass of air in a classroom of size 20 ft x 15 ft x 9 ft assuming the
a 380 cc single-cylinder two-stroke motorcycle engine is operating at 5500 rpm the engine has a bore of 82 mm and a
using the standard fe-c phase diagram draw a vertical line for each of the following steel alloys corresponding to
a 100l rigid tank contains nitrogen n2 at 900k 3 mpa the tank is now coole to 100k what are the work and heat transfer
two kg water at 120c with a quality of 25 has its temperature raised 20c in a constant volume process what are the heat
find expression for the isothermal compressibility and coefficient of thermal expansion for a fluid that is described
the pressure gauge on a 25-m3 oxygen tank reads 500 kpa determine the amount of oxygen in the tank if the temperature
a piston cylinder device contains about 025kg of saturated water liquid 125c now water is heated at constant pressure
at the exit from the first stage nozzles the steam velocity is 244 ms specific volume 00686 m3 kg mean diameter 762 mm