Heat Transfer Peclet number (Pe) is given by Pe = Pr/Re Pe = Re/Pr Pe = Re.Pr Pe = Nu.Re Pe = Pr/Re Pe = Re/Pr Pe = Re.Pr Pe = Nu.Re ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is 43832 2 4 43834 43832 2 4 43834 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Radiation Natural convection Forced convection Conduction Radiation Natural convection Forced convection Conduction 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 Concentrations Chemical potentials Activity co-efficients Mass transfer co-efficients Concentrations Chemical potentials Activity co-efficients Mass transfer co-efficients ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Iron plates Aluminium foil Coal dust Refractory bricks Iron plates Aluminium foil Coal dust Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Disappears And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer Disappears And the hydrodynamic boundary layer are identical Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer ANSWER DOWNLOAD EXAMIANS APP
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