Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. laminar highly turbulent transition None of the listed here laminar highly turbulent transition None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is Uniformly distributed throughout the fluid None of these Mainly confined to a thin film of fluid near the surface In the central core of the fluid Uniformly distributed throughout the fluid None of these Mainly confined to a thin film of fluid near the surface In the central core of the fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In counter flow compared to parallel flow, Less surface area is required for a given heat transfer rate More surface area is required for a given heat transfer rate LMTD is greater Both A and B Less surface area is required for a given heat transfer rate More surface area is required for a given heat transfer rate LMTD is greater Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is Hyperbolic Linear None of these Parabolic Hyperbolic Linear None of these Parabolic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? Nusselt equation Sieder-Tate equation Dittus-Boeltier equation None of these Nusselt equation Sieder-Tate equation Dittus-Boeltier equation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? dowtherm liquid metal None of the listed here mercury dowtherm liquid metal None of the listed here mercury ANSWER DOWNLOAD EXAMIANS APP