Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a perfectly transparent surface (like gases), the Reflectivity = 0 Transmissivity = 1 All of these Absorptivity = 0 Reflectivity = 0 Transmissivity = 1 All of these Absorptivity = 0 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
Heat Transfer Nusselt number is the ratio of the Temperature gradient of the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as Forced convection Monochromatic radiation Steady state conduction None of these Forced convection Monochromatic radiation Steady state conduction None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Temperature profile in steady state heat transfer is none of the listed here hyperbolic parabolic Linear none of the listed here hyperbolic parabolic Linear ANSWER DOWNLOAD EXAMIANS APP
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