Heat Transfer Agitated film evaporator is suitable for concentrating __________ liquids. Very thin Viscous Corrosive Foaming Very thin Viscous Corrosive Foaming ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Colburn None of these Prandtl Reynolds Colburn None of these Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation none of the listed here emitter absorber Both emitter & absorber none of the listed here emitter absorber Both emitter & absorber ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Grashoff Both A & B Prandtl & Grashoff Reynolds Grashoff Both A & B Prandtl & Grashoff Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr1/3 NPr-1/3 NPr NPr-1 NPr1/3 NPr-1/3 NPr NPr-1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used To obtain higher heat transfer co-efficient and shorter tube To reduce the pressure drop Because of simplicity of fabrication For low heat load To obtain higher heat transfer co-efficient and shorter tube To reduce the pressure drop Because of simplicity of fabrication For low heat load ANSWER DOWNLOAD EXAMIANS APP
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