Heat Transfer Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer. Stantan Biot Grashoff Reynolds Stantan Biot Grashoff Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Ceramic recuperator Economiser Regenerator None of these Ceramic recuperator Economiser Regenerator None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing Should be less than the inside diameter of the shell Is not the same as baffle pitch Should be less than one fifth the diameter of the shell None of these Should be less than the inside diameter of the shell Is not the same as baffle pitch Should be less than one fifth the diameter of the shell None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted None of these In the absence of agitation On polished surfaces On rough surfaces None of these In the absence of agitation On polished surfaces On rough surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient over the entire length of the plate (ha) and the local heat transfer co-efficient (hL), in case of heat transfer over a flat plate in lminar zone is related as Ha= 5hL Ha = hL Ha = 2hL Ha = 0.8hL Ha= 5hL Ha = hL Ha = 2hL Ha = 0.8hL ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness none of the listed here thermal boundary layer lies inside the concentration boundary layer concentration boundary layer lies inside the thermal boundary layer thermal & concentration boundary layers are of equal thickness none of the listed here ANSWER DOWNLOAD EXAMIANS APP