Chemistry, 25.09.2019 01:10 gbprulesmile
Water at 80 °c is pumped through 100 m of stainless steel pipe, k = 16 w/m k of inner and outer radii 47 mm and 50 mm respectively. the heat transfer coefficient due to water is 2000 w/m² k. the outer surface of the pipe at 20 °c loses heat by convection with a heat transfer coefficient is 200 w/m². k. a- calculate the heat flow through the pipe. b- now, suppose that we want to reduce the rate of heat loss from the pipe to the air to only 5.39 kw by adding a layer of insulation with k= 0.1 w/m k, calculate the required thickness of the insulation.
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Does the energy in a solid increase or decrease when changing to a liquid?
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Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object
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Chemistry, 22.06.2019 11:30
What is the main reason why some developing countries fear the increase the free trade policies around the world?
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Water at 80 °c is pumped through 100 m of stainless steel pipe, k = 16 w/m k of inner and outer radi...
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