Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Rate of vaporisation Rate of evaporation Capacity Economy Rate of vaporisation Rate of evaporation Capacity Economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Free and forced convection Forced convection and conduction Conduction only Forced convection only Free and forced convection Forced convection and conduction Conduction only Forced convection only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Smooth Coated Oily Glazed Smooth Coated Oily Glazed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that Material is anisotropic Constant temperature gradient exists There is no internal heat generation Boundary surfaces are isothermal Material is anisotropic Constant temperature gradient exists There is no internal heat generation Boundary surfaces are isothermal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Vapour pressure equals 76 cm of Hg Temperature reaches 100° C Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Vapour pressure equals 76 cm of Hg Temperature reaches 100° C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At high fluid velocity At low velocity None of these When fluid flows past a smooth surface At high fluid velocity At low velocity None of these When fluid flows past a smooth surface ANSWER DOWNLOAD EXAMIANS APP