Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 0.5 1 5 0.5 1 5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Removal of __________ heat is involved in the condensation of a vapor under saturated conditions. Sensible Latent Super Both B & C Sensible Latent Super Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Square pitch Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Neither A and B Both A and B Isothermal Non-isothermal Neither A and B Both A and B Isothermal Non-isothermal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8, where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter (D) as (D)1.8 (D)0.2 (D)-0.2 (D)-1.8 (D)1.8 (D)0.2 (D)-0.2 (D)-1.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Increases May increase or decrease ; depends on the material Remains constant Decreases Increases May increase or decrease ; depends on the material Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
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