Heat Transfer Planck's distribution law is valid for __________ bodies black all of the listed here coloured white black all of the listed here coloured white ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Disappears Is thinner than hydrodynamic boundary layer Is thicker than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Disappears ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)1/4 ΔT None of the listed here (ΔT)2 (ΔT)1/4 ΔT None of the listed here (ΔT)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Requirement of heat transfer area is low High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high A corrosive liquid is to be heated Requirement of heat transfer area is low High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high A corrosive liquid is to be heated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall heat transfer co-efficient for cooling of hydrocarbons by water is about 50 -100 W/m² . °K 1000 - 1500 BTU/hr. ft.2°F 50 -100 Kcal/hr.m².°C 50 -100 BTU/hr. ft.2°F 50 -100 W/m² . °K 1000 - 1500 BTU/hr. ft.2°F 50 -100 Kcal/hr.m².°C 50 -100 BTU/hr. ft.2°F ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical? > 1 1 < 1 None of these > 1 1 < 1 None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS