Heat Transfer The absorptivity of a body is equal to its emissivity under thermal equilibrium for circular bodies at a particular temperature none of the listed here under thermal equilibrium for circular bodies at a particular temperature none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)2 None of the listed here (ΔT)1/4 ΔT (ΔT)2 None of the listed here (ΔT)1/4 ΔT ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Black liquor generated during paper manufacture is concentrated in a single effect evaporator followed by a crystalliser multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution Increases rapidly with temperature rise Both B and C Decreases rapidly with temperature rise In independent of pressure Increases rapidly with temperature rise Both B and C Decreases rapidly with temperature rise In independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Solids Both solids & liquids Gases Liquids Solids Both solids & liquids Gases Liquids 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 U₁ - U₂ U₂ - U₁ 1/U₁ - 1/U₂ 1/U₂ - 1/U₁ U₁ - U₂ U₂ - U₁ 1/U₁ - 1/U₂ ANSWER DOWNLOAD EXAMIANS APP