Heat Transfer Leidenfrost point is a term concerned with the Concentration of a corrosive solution by evaporation Boiling of a liquid on a hot surface Heat transfer between two highly viscous liquids Condensation of the saturated vapor on a cold surface Concentration of a corrosive solution by evaporation Boiling of a liquid on a hot surface Heat transfer between two highly viscous liquids Condensation of the saturated vapor on a cold surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. Increases Decreases May increase or decrease, depends on the vacuum Remains constant Increases Decreases May increase or decrease, depends on the vacuum Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to 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 Increase the heating load Account for the uneven expansion of shell and tube bundles ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On rough surfaces In the absence of agitation On polished surfaces None of these On rough surfaces In the absence of agitation On polished surfaces None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Heat flux Prandtl number Nusselt number Schmidt number Heat flux Prandtl number Nusselt number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Kirchoffs Wien's Stefan's Dalton's Kirchoffs Wien's Stefan's Dalton's ANSWER DOWNLOAD EXAMIANS APP