Engineering, 11.10.2019 05:00 ashlynhenderson0323
Arigid tank is filled with water steam at pressure of 100 steam is condensed at a constant pressure from a saturated vapor to a saturated liquid by rejecting heat to a thermal energy reservoir at 40°c. find the second-law efficiency of this process. assume the surroundings to be at t = 25°c and p = 100
Answers: 3
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Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
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Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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Arigid tank is filled with water steam at pressure of 100 steam is condensed at a constant pressure...
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