Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Decreases Remains unchanged Increases May increase or decrease; depends on the solid Decreases Remains unchanged Increases May increase or decrease; depends on the solid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = Gz Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is None of these Forward Backward Parallel None of these Forward Backward Parallel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ paint has the minimum absorption co-efficient. White lead Grey Light cream Black White lead Grey Light cream Black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as None of these Forced convection Monochromatic radiation Steady state conduction None of these Forced convection Monochromatic radiation Steady state conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to That across the entire pipe Temperature difference Heat flux None of these That across the entire pipe Temperature difference Heat flux None of these ANSWER DOWNLOAD EXAMIANS APP
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