Heat Transfer The Grashoff number is defined as the ratio of the buoyancy to inertial forces buoyancy to surface tension forces inertial to viscous forces. buoyancy to viscous forces buoyancy to inertial forces buoyancy to surface tension forces inertial to viscous forces. buoyancy to viscous forces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits High fluidity Low viscosity Low density Abundance & high heat capacity High fluidity Low viscosity Low density Abundance & high heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer _______ paint has the maximum absorption coefficient. White Black Grey Yellow White Black Grey Yellow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Reynolds Prandtl Both Reynolds & Prandtl None of the listed here Reynolds Prandtl Both Reynolds & Prandtl None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Both A & B Lower capacity Lower economy Higher economy Both A & B Lower capacity Lower economy Higher economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Temperature reaches 100° C ANSWER DOWNLOAD EXAMIANS APP