Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Nu, Pr, Re Nu, Pr Re.Gz Nu, Gz Nu, Pr, Re Nu, Pr Re.Gz Nu, Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Co-current Counter-current Laminar Turbulent Co-current Counter-current Laminar Turbulent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. 1 1.49 None of these 4.88 1 1.49 None of these 4.88 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 In the central core of the fluid Mainly confined to a thin film of fluid near the surface Uniformly distributed throughout the fluid None of these In the central core of the fluid Mainly confined to a thin film of fluid near the surface Uniformly distributed throughout the fluid None of these 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 4.36 Dependent on NRe only 120.36 2.36 4.36 Dependent on NRe only 120.36 2.36 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Co-current Direct contact Counter-current Cross-current Co-current Direct contact Counter-current Cross-current ANSWER DOWNLOAD EXAMIANS APP