Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet Cotton followed by aluminium foil 85% magnesia cement and glass wool Tar dolomite bricks followed by asbestos Fireclay refractory followed by aluminium sheet Cotton followed by aluminium foil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient All of these Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) 1/U₁ - 1/U₂ U₁ - U₂ 1/U₂ - 1/U₁ U₂ - U₁ 1/U₁ - 1/U₂ U₁ - U₂ 1/U₂ - 1/U₁ U₂ - U₁ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Scaling Corrosive Highly viscous Salty Scaling Corrosive Highly viscous Salty ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefan-Boltzman law applies to __________ body white black None of the listed here grey white black None of the listed here grey ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is < 1 > 5 > 1 1 < 1 > 5 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
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