Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Decreases Remains unchanged May increase or decrease; depends on the solid Increases Decreases Remains unchanged May increase or decrease; depends on the solid Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a heat exchanger recuperator regenerator boiler heat exchanger recuperator regenerator boiler ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Kirchoffs Planck's Wien's displacement Stefan-Boltzman Kirchoffs Planck's Wien's displacement Stefan-Boltzman ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Increase the heating load Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Impart structural strength Increase the heating load Account for the uneven expansion of shell and tube bundles Facilitate increase of shell length, if needed Impart structural strength ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Triangular pitch Square pitch None of these Diagonal square pitch Triangular pitch Square pitch None of these Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
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