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Water at 20 bar, 400oC enters a turbine operating at steady state and exits at 1.5 bar. Stray heat transfer and kinetic and potential energy effects are negligible. A hard-to-read data sheet indicates that the quality at the turbine exit is 98%. Can this quality value be correct? If no, what could the quality be? If yes, determine the power developed by the turbine, in kJ per kq of water flowing.
tank that is initially evacuated is connected by a valve to an air supply line flowing air at 20 degree c 800 kpa. the
consider a steam pipe of length l 9 m inner radius r1 5 cm outer radius r2 6 cm and thermal conductivity k 12.5
a mass m is suspended from a spring of stiffness 4000nm and is subjected to a harmonic force having amplitude of 100n
A vertical run of copper tubing, 5 mm in diameter and 20 cm long, carries condensation vapor at 60 °C through 27°C air. What is the total heat loss?
liquid oxygen flows at 90 k inside 3 cm o. d 2 mm wall thickness aisi 302 stainless steel tube with an interior
a car of mass 1775 kg travels with a velocity of 100 kmh. find the kinetic energy. how high should it be lifted in the
1 kg of steam occupies a volume of 0.2 m3 at 9 bar in a closed system. the steam is then heated at constant pressure
a heat pump is used to maintain a house at a constant temperature of 23degc. the house is losing heat to the outside
Determine the resulting stress equations for σx, σy and τxy given the Airy's stress function ? = a1x^4 + a2(x^3)y + a3(x^2)(y^2) + a4x(y^3) + a5(y^4), where ai are constants. Also determine, if any, the restrictions between constants.
a ball is released from the bottom of an elevator which is traveling upward with a velocity of 6fts. if the ball
a steady flow compressor is used to compress air from 1 atm 25ordmc to 8 atm in an adiabatic process. the compressor
the acceleration of gravity g as a function of elevation z above sea level is given by g 32.17 - 3.32x10-6 z where g
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