Heat Transfer When vaporisation takes place directly at the heating surface, it is called film boiling vapour binding all of the listed here nucleate boiling film boiling vapour binding all of the listed here nucleate boiling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Thermal or pressure mass diffusion Both B and C Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Thermal or pressure mass diffusion Both B and C Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Absorptivity = 0 Transmissivity = 1 Reflectivity = 0 All of these Absorptivity = 0 Transmissivity = 1 Reflectivity = 0 All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ t ∝ 1/t Independent of 't' ∝ √t ∝ t ∝ 1/t Independent of 't' ∝ √t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the None of these Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer Temperature gradient produced due to density difference None of these Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer Temperature gradient produced due to density difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Non-condensables Steam None of these Condensate Non-condensables Steam None of these Condensate ANSWER DOWNLOAD EXAMIANS APP
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