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. Viscous None of these Elastic Inertial Viscous None of these Elastic Inertial ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a multipass shell and tube heat exchanger, the LMTD correction factor is always < 1 1 > 1 Between 1 & 2 < 1 1 > 1 Between 1 & 2 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 120.36 Dependent on NRe only 2.36 4.36 120.36 Dependent on NRe only 2.36 4.36 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation cannot be used for molten metals mainly due to its very low Prandtl number thermal conductivity viscosity Grashoff number Prandtl number thermal conductivity viscosity Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Grashhoff number Prandtl number Reynolds number none of the listed here Grashhoff number Prandtl number Reynolds number none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Temperature difference between the two surfaces of the wall Thickness of the wall Area of the wall perpendicular to heat flow Material of the wall Temperature difference between the two surfaces of the wall Thickness of the wall Area of the wall perpendicular to heat flow Material of the wall ANSWER DOWNLOAD EXAMIANS APP
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