Heat Transfer Rate of heat transfer by vaporisation from pools of water is affected by the Viscosity of water Surface tension of water Nature of heating surface and distribution of bubbles All of these Viscosity of water Surface tension of water Nature of heating surface and distribution of bubbles All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. None of these Planck's Wien's displacement Stefan-Boltzman's None of these Planck's Wien's displacement Stefan-Boltzman's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ t ∝ √t Independent of 't' ∝ 1/t ∝ t ∝ √t Independent of 't' ∝ 1/t ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? Sphere Cube All of these Plate Sphere Cube All of these Plate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Nusselt Stanton Prandtl Grashoff Nusselt Stanton Prandtl Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Black liquor generated during paper manufacture is concentrated in a single effect evaporator multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator followed by a crystalliser single effect evaporator multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator followed by a crystalliser ANSWER DOWNLOAD EXAMIANS APP
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