Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Brinkman Condensation Grashoff Stantan Brinkman Condensation Grashoff Stantan ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) √Δt Δt Δt² Δt³ √Δt Δt Δt² Δt³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Calburn analogy is applicable for the value of Prandtl number from 0.001 to 1 0.5 to 5 120 to 400 0.6 to 120 0.001 to 1 0.5 to 5 120 to 400 0.6 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns. 0.38-0.78 0.5-50 5-50 100-1000 0.38-0.78 0.5-50 5-50 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Parabolic Logarithmic Hyperbolic Linear Parabolic Logarithmic Hyperbolic Linear 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 88.66 1.66 3.66 Dependent on NRe only 88.66 1.66 3.66 Dependent on NRe only ANSWER DOWNLOAD EXAMIANS APP