Engineering, 20.12.2019 22:31 emilyanneK2540
Engine oil (cp = 2100 j/kg·k) is to be heated from 20°c to 60°c at a rate of 0.3 kg/s in a 2-cm-diameter thin-walled copper tube by condensing steam outside at a temperature of 130°c (hfg = 2174 kj/kg). for an overall heat transfer coefficient of 650 w/m2 ·k, determine the rate of heat transfer and the length of the tube required to achieve it.
Answers: 1
Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
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If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
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Engineering, 04.07.2019 18:10
Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.2-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kpa (gage) in the tank. if the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top in liters per second.
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Engineering, 04.07.2019 18:20
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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Engine oil (cp = 2100 j/kg·k) is to be heated from 20°c to 60°c at a rate of 0.3 kg/s in a 2-cm-diam...
Computers and Technology, 26.11.2019 22:31
Computers and Technology, 26.11.2019 22:31
Computers and Technology, 26.11.2019 22:31