Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 80 1.5 0.5 1 80 1.5 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An insulator should have Low thermal conductivity High thermal conductivity Less resistance to heat flow A porous structure Low thermal conductivity High thermal conductivity Less resistance to heat flow A porous structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? 1 0.1 >1 < 1 1 0.1 >1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is Dependent on NRe only 1.66 3.66 88.66 Dependent on NRe only 1.66 3.66 88.66 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to None of these That across the entire pipe Temperature difference Heat flux None of these That across the entire pipe Temperature difference Heat flux ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. None of these Colburn Prandtl Reynolds None of these Colburn Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP