Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Interfacial tension Liquid viscosity Hot surface temperature Liquid density Interfacial tension Liquid viscosity Hot surface temperature Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Viscosity Density Concentration Super-saturation Viscosity Density Concentration Super-saturation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a multipass shell and tube heat exchanger, the LMTD correction factor is always < 1 Between 1 & 2 1 > 1 < 1 Between 1 & 2 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 0.001 0.72 70 150 0.001 0.72 70 150 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 3.66 Dependent on NRe only 1.66 88.66 3.66 Dependent on NRe only 1.66 88.66 ANSWER DOWNLOAD EXAMIANS APP