Engineering, 10.11.2019 06:31 diflakf
Radioactive wastes generating heat at a rate of 3 x 106 w/m3 are contained in a spherical shell of inner radius 0.25 m and outside radius 0.30 m with a thermal conductivity 35.3 w/m·k. if the container is submerged in water at a temperature [infinity] 10°c with a convective coefficient of 500 w/m2·k, find the inside and outside surface temperatures of the container.
Answers: 1
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
Engineering, 04.07.2019 18:10
Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.
Answers: 1
Engineering, 04.07.2019 19:10
What is the main objective of using reheat rankine cycle?
Answers: 3
Radioactive wastes generating heat at a rate of 3 x 106 w/m3 are contained in a spherical shell of i...
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