Heat Transfer The purpose of floating head in a heat exchanger is to Provide support for tubes Avoid buckling of tubes Facilitate its lengthening, if needed Decrease the pressure drop Provide support for tubes Avoid buckling of tubes Facilitate its lengthening, if needed Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high temperature high pressure none of the listed here low film co-efficient high temperature high pressure none of the listed here low film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point of a solution according to Duhring's rule is a linear function of the __________ of water. Density Boiling point (at the same pressure) Thermal conductivity Viscosity Density Boiling point (at the same pressure) Thermal conductivity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. None of the listed here Prandtl Reynolds Both Reynolds & Prandtl None of the listed here Prandtl Reynolds Both Reynolds & Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Three pass, fixed tube sheet None of these U-tube Single pass, fixed tube sheet Three pass, fixed tube sheet None of these U-tube Single pass, fixed tube sheet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space None of these High specific heat Dense structure High proportion of air space None of these High specific heat Dense structure ANSWER DOWNLOAD EXAMIANS APP
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