Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Corrosive Salty Highly viscous Scaling Corrosive Salty Highly viscous Scaling 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 Natural convection Conduction Radiation Forced convection Natural convection Conduction Radiation Forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Vent the non-condensible gases Regulate the vapor flow Arrest the entrained liquid Create vacuum Vent the non-condensible gases Regulate the vapor flow Arrest the entrained liquid Create vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Increasing the liquor level in the evaporator results in the decreased effect of hydrostatic head increase in liquor film co-efficient increased true temperature drop decreased capacity decreased effect of hydrostatic head increase in liquor film co-efficient increased true temperature drop decreased capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 37 1.74 6.1 1 37 1.74 6.1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe, where the wall heat flux is constant, is Dependent on NRe only 4.36 120.36 2.36 Dependent on NRe only 4.36 120.36 2.36 ANSWER DOWNLOAD EXAMIANS APP
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