Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Inertial None of these Viscous Elastic Inertial None of these Viscous Elastic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called heat flux thermal diffusivity heat transfer co-efficient thermal conductivity heat flux thermal diffusivity heat transfer co-efficient thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Is not affected May increase or decrease; depends on the feed Increases Decreases Is not affected May increase or decrease; depends on the feed Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is Minimum Infinity Maximum Zero Minimum Infinity Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is Dependent on NRe only 2.36 120.36 4.36 Dependent on NRe only 2.36 120.36 4.36 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The units of resistance to heat transfer is W⁻¹m²K J.m⁻¹.K⁻¹ W.m⁻².K⁻¹ J.m⁻².K⁻¹ W⁻¹m²K J.m⁻¹.K⁻¹ W.m⁻².K⁻¹ J.m⁻².K⁻¹ ANSWER DOWNLOAD EXAMIANS APP
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