Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos 85% magnesia cement and glass wool Cotton followed by aluminium foil Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos 85% magnesia cement and glass wool Cotton followed by aluminium foil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Increases Remains same May increase or decrease depending on the type of gas Decreases Increases Remains same May increase or decrease depending on the type of gas Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low Suspended solids content Hardness All of these Dissolved soilds content Suspended solids content Hardness All of these Dissolved soilds content ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Feed temperature Number of effect Steam pressure Both B & C Feed temperature Number of effect Steam pressure Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Grashoff Nusselt Both B & C Reynolds Grashoff Nusselt Both B & C Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? > 0.6 < 0.5 < 0.1 0.5 > 0.6 < 0.5 < 0.1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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