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/U₁ - 1/U₂ 1/U₂ - 1/U₁ U₂ - U₁ U₁ - U₂ 1/U₁ - 1/U₂ 1/U₂ - 1/U₁ U₂ - U₁ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Temperature profile in steady state heat transfer is Linear parabolic hyperbolic none of the listed here Linear parabolic hyperbolic none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is used for chilling oil to be dewaxed. U-tube Double pipe Floating head Fixed tube U-tube Double pipe Floating head Fixed tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. May increase or decrease; depends on the pressure Decrease Increase Remain unchanged May increase or decrease; depends on the pressure Decrease Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt1/2 Δt2 Δt5/4 Δt Δt1/2 Δt2 Δt5/4 Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Requirement of heat transfer area is low Overall heat transfer co-efficient is very high A corrosive liquid is to be heated High viscosity liquid is to be cooled Requirement of heat transfer area is low Overall heat transfer co-efficient is very high A corrosive liquid is to be heated High viscosity liquid is to be cooled ANSWER DOWNLOAD EXAMIANS APP