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A system consisting of 2 kg of water initially at 160 C, 10 bar undergoes an internally reversible, isothermal expansion during which there is an energy transfer by heat into the system of 2700 KJ. Determine the final pressure (in bar) and work (in KJ).
rocket boosts the speed of a spacecraft from 7500 m/s to 10 500 m/s with a thrust of 890 kN. Calculate the rocket power.
a simple slide valve with outside admission provides a lead of 3 mm a maximum port opening of 18 mm and a cut-off at 62
A piston-cylinder device contains 0.8kg of steam at 300 degrees C and 1 MPa. Steam is cooled at constant pressure until one-half of the mass condenses.
Design a Hohmann transfer to take a satellite from a parking orbit 200 km by 400 km to a circular orbit with a period of 4 hours. Show all calculations
it is 30degf outside. the temperature of the outside surface of a building is 33degf. the thickness of the building
a contractor is required to prepare a soil surface so that its planar and the normal direction to the surface is within
two kg of a mixture having an analyis of on a mass basis of 30 nitrogen 40 carbon dioxide 30 oxygen is compressed
a container with volume 2 m3 filled with three different gases 20 kg oxygen at -23 c 50 kg nitrogen gases at 27 c and
a prismatic bar is subjected to loads that cause uniform axial strains epsilon0.002 in its left half and epsilon-0.004
4 kgs of saturated liquid water is heated in a steam boiler at 2 mpa to an outlet temperature of 250 c. determine the
a 1500 kg car is traveling up on a road with a slope of 15 i.e. rise of 15 on a run of 100 at a constant speed. knowing
steel balls 12 mm in diameter are annealed by heating to 1150 k and then slowly cooling to 400 k in an air environment
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