Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) KA/x A/Kx X/KA K/Ax KA/x A/Kx X/KA K/Ax ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas May increase or decrease depending on the type of gas Remains same Decreases Increases May increase or decrease depending on the type of gas Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is R₂/(R₁+R₂) (R₁/R₂)2 1 R₂/(R₁+R₂) (R₁/R₂)2 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by None of these Convection Eddies current Conduction None of these Convection Eddies current Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the Outlent temperature of both the hot and cold fluid are same None of these Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid Outlent temperature of both the hot and cold fluid are same None of these Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ √t ∝ 1/t ∝ t Independent of 't' ∝ √t ∝ 1/t ∝ t Independent of 't' ANSWER DOWNLOAD EXAMIANS APP
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