Heat Transfer In SI units, thermal conductivity is expressed in Watt/m². °K Watt/m4. °K Watt/m.°K Watt/m². °K Watt/m². °K Watt/m4. °K Watt/m.°K Watt/m². °K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Forced convection only Conduction only Free and forced convection Forced convection and conduction Forced convection only Conduction only Free and forced convection Forced convection and conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Either A, B or C Arithmetic Geometric Logarithmic Either A, B or C Arithmetic Geometric Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = k/2h r = k/h r = h/k r = 2k/h r = k/2h r = k/h r = h/k r = 2k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface) U₁ - U₂ 1/U₂ - 1/U₁ U₂ - U₁ 1/U₁ - 1/U₂ U₁ - U₂ 1/U₂ - 1/U₁ U₂ - U₁ 1/U₁ - 1/U₂ 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 = 0.8hL Ha = hL Ha = 2hL Ha= 5hL Ha = 0.8hL Ha = hL Ha = 2hL Ha= 5hL ANSWER DOWNLOAD EXAMIANS APP