Engineering, 01.10.2019 22:30 ajayfurlow
Two insulated tanks, labelled a and b, are connected by a valve that is initially closed. tank a contains air at 100 kpa and 350 k and has a volume of 0.75 m3. tank b contains air at 800 kpa and 1000 k and has a volume of 0.5 m3. find the final temperature and pressure of the air after the valve is opened and the contents of the two tanks have mixed.
Answers: 1
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Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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Asimply supported beam abc of length l has ab of length hl and second moment of area / and bc of length hl and second moment of area i2. determine the strain energy stored in the beam when it is subject to a vertical load f at its midpoint and the consequential central deflection.
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Not a characteristic property of ceramic material (a) high temperature stability (b) high mechanical strength (c) low elongation (d) low hardness
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Two insulated tanks, labelled a and b, are connected by a valve that is initially closed. tank a con...
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