Heat Transfer The Stefan-Boltzman constant depends on the Temperature None of these Medium Surface Temperature None of these Medium Surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which characteristic of a fluid is not important in deciding its route in a shell and tube heat exchanger? None of these Viscosity Corrosiveness Fouling characteristic None of these Viscosity Corrosiveness Fouling characteristic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as Monochromatic radiation Steady state conduction None of these Forced convection Monochromatic radiation Steady state conduction None of these Forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Wavelength corresponding to the maximum energy is inversely proportional to the absolute temperature. This is __________ law. Stefan's Wien's Dalton's Kirchoffs Stefan's Wien's Dalton's Kirchoffs ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Increase Decrease Remain unchanged May increase or decrease; depends on the pressure Increase Decrease Remain unchanged May increase or decrease; depends on the pressure 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) 1/U₁ - 1/U₂ U₂ - U₁ 1/U₂ - 1/U₁ U₁ - U₂ 1/U₁ - 1/U₂ U₂ - U₁ 1/U₂ - 1/U₁ U₁ - U₂ ANSWER DOWNLOAD EXAMIANS APP