Heat Transfer Finned tube heat exchangers are used for smaller heat load use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall give larger area per tube are used for smaller heat load use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall give larger area per tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer is not a function of the __________ number. Reynolds Nusselt Grashoff Both B & C Reynolds Nusselt Grashoff Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Forced convection and conduction Conduction only Free and forced convection Forced convection only Forced convection and conduction Conduction only Free and forced convection Forced convection only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A graph between __________ is called Wilson plot. 1/U Vs . 1/v0.8 1/U Vs . 1/V 1/v0.8 Vs . U V0.8 Vs . U 1/U Vs . 1/v0.8 1/U Vs . 1/V 1/v0.8 Vs . U V0.8 Vs . U ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Interfacial tension Liquid viscosity Liquid density Hot surface temperature Interfacial tension Liquid viscosity Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Both Reynolds & Prandtl Reynolds Prandtl None of the listed here Both Reynolds & Prandtl Reynolds Prandtl None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS