Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law. Hyperbolic Parabolic Linear Logarithmic Hyperbolic Parabolic Linear Logarithmic 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 1/U₁ - 1/U₂ U₂ - U₁ U₁ - U₂ 1/U₂ - 1/U₁ 1/U₁ - 1/U₂ U₂ - U₁ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Water Air Silver Black Water Air Silver Black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. And the surface conductance increase Remains constant Cummulatively decreases Cummulatively increases And the surface conductance increase Remains constant Cummulatively decreases Cummulatively increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporation by thermocompression results in the Both A and B Saving of steam None of these Realisation of multiple effect economy in a single effect Both A and B Saving of steam None of these Realisation of multiple effect economy in a single effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy d²T/dZ² > 0 d²T/dZ² < 0 dT/dZ = 0 d²T/dZ² = 0 d²T/dZ² > 0 d²T/dZ² < 0 dT/dZ = 0 d²T/dZ² = 0 ANSWER DOWNLOAD EXAMIANS APP