Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Decreases Increases or decreases depending on number of shell passes Increases Remains unchanged Decreases Increases or decreases depending on number of shell passes Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Oily Glazed Coated Smooth Oily Glazed Coated Smooth ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt2 Δt Δt1/2 Δt5/4 Δt2 Δt Δt1/2 Δt5/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Maximum resistance in the series Minimum resistance presents in the series Average of all resistances Sum of all resistances Maximum resistance in the series Minimum resistance presents in the series Average of all resistances Sum of all resistances ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An insulator should have High thermal conductivity Low thermal conductivity A porous structure Less resistance to heat flow High thermal conductivity Low thermal conductivity A porous structure Less resistance to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multipass heat exchangers are used To reduce the pressure drop For low heat load Because of simplicity of fabrication To obtain higher heat transfer co-efficient and shorter tube To reduce the pressure drop For low heat load Because of simplicity of fabrication To obtain higher heat transfer co-efficient and shorter tube ANSWER DOWNLOAD EXAMIANS APP
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