Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Tar dolomite bricks followed by asbestos Cotton followed by aluminium foil 85% magnesia cement and glass wool Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos Cotton followed by aluminium foil 85% magnesia cement and glass wool Fireclay refractory followed by aluminium sheet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conduction occurs in the buffer zone for a fluid flowing through a heated pipe, only when Prandtl number is < 1 0.1 L >1 < 1 0.1 L >1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Prandtl Reynolds Colburn None of these Prandtl Reynolds Colburn None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 2 0.5 10 100 2 0.5 10 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that Nst α NRe Nst α f NRe α f NNu α f Nst α NRe Nst α f NRe α f NNu α f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Saturated Local Nucleate Pool Saturated Local Nucleate Pool ANSWER DOWNLOAD EXAMIANS APP
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