Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) √Δt Δt² Δt³ Δt √Δt Δt² Δt³ Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A graph between __________ is called Wilson plot. 1/U Vs . 1/v0.8 V0.8 Vs . U 1/U Vs . 1/V 1/v0.8 Vs . U 1/U Vs . 1/v0.8 V0.8 Vs . U 1/U Vs . 1/V 1/v0.8 Vs . U ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 0.0035 5.6 3.5 0.025 0.0035 5.6 3.5 0.025 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Partial condenser Total condenser Vacuum evaporator Double pipe heat exchanger Partial condenser Total condenser Vacuum evaporator Double pipe heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Forced convection and conduction Forced convection only Free and forced convection Conduction only Forced convection and conduction Forced convection only Free and forced convection Conduction only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is 63.8 77.2 71.2 48.7 63.8 77.2 71.2 48.7 ANSWER DOWNLOAD EXAMIANS APP