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A free-floating piston which weighs 20 Kg contains 1 Kg of a 50% quality saturated mixture of water in the insulated cylinder. The piston face area is 0.01 m^2. 1000 Watts of electric power are dissipated in a resistor for a certain time causing all of the liquid to be vaporized. The piston is now locked into place and the water is heated until it reaches 200 C. Determine the total heat added to the water, the total work done and the time for the process. Sketch the 2-step process on a P-v diagram.
Characterize the three basic materials (metals, ceramics and polymers) in regarding to modulus of elasticity, strength, ductility and coefficient of thermal expansion.
2 kg of water is contained in the vertical frictionless piston cylinde device.the mass of the piston is such that the
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steam enters a turbine at 8 mpa 450oc at a rate of 15 kgs and a velocity of 100 ms it leaves as saturated vapor at 100
Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for BCC chromium when monochromatic radiation of wavelength 0.0711 nm is used.
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draw the projections of a rhombus having diagonals 125mm and 50 mm long, the smaller diagonal of which is parallel to both the principal planes, while the other is inclined at 30 to the H.P.
What methods are used to achieve low levels of corrosion by oxygen in boiler feed water? What measurements are essential to ensure that this is done satisfactorily, and what types of measurement could be used?
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assuming that the solid shaft has been replaced by a hollow shaft of the same cross-sectional area and with an inner diameter equal to half of its own outer diameter.
a paper plant replaces an aged and worn 150 ho engine with an efficiency of 90 with an updated model with an efficiency
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