Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Hyperbolic Linear Parabolic Logarithmic Hyperbolic Linear Parabolic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive Provide very large heat transfer co-efficient Results in abruptly increased velocity None of these Results in making part of the heating surface inactive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. No effect on Decreased None of these Increased No effect on Decreased None of these Increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Same Different Never different Linearly related Same Different Never different Linearly related ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of Activity co-efficients Chemical potentials Concentrations Mass transfer co-efficients Activity co-efficients Chemical potentials Concentrations Mass transfer co-efficients ANSWER DOWNLOAD EXAMIANS APP
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