Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Thermal conductivity Density Heat capacity Viscosity Thermal conductivity Density Heat capacity Viscosity 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/U₂ - 1/U₁ U₂ - U₁ U₁ - U₂ 1/U₁ - 1/U₂ 1/U₂ - 1/U₁ U₂ - U₁ U₁ - U₂ 1/U₁ - 1/U₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Partial ionisation Dense structure High viscosity Low density Partial ionisation Dense structure High viscosity Low density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of Both A & B Neither A nor B Dissolved O₂ CO₂ Both A & B Neither A nor B Dissolved O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution Both B and C In independent of pressure Increases rapidly with temperature rise Decreases rapidly with temperature rise Both B and C In independent of pressure Increases rapidly with temperature rise Decreases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Effective tube surface area for convective heat transfer Convective heat transfer co-efficient All of these Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer Convective heat transfer co-efficient All of these Tube side pressure drop and the heat transfer rate ANSWER DOWNLOAD EXAMIANS APP