Heat Transfer In which mode of heat transfer, the Biot number is important? Forced convection Natural convection Transient heat conduction Radiation Forced convection Natural convection Transient heat conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The value of Stefan-Boltazman constant in SI unit is 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 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 48.7 63.8 77.2 71.2 48.7 63.8 77.2 71.2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Peclet Stanton None of these Graetz Peclet Stanton None of these Graetz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Accounts for additional resistances to heat flow None of these Does not provide a safety factor for design Is a dimensionless quantity Accounts for additional resistances to heat flow None of these Does not provide a safety factor for design Is a dimensionless quantity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. None of these Reynolds Prandtl Colburn None of these Reynolds Prandtl Colburn ANSWER DOWNLOAD EXAMIANS APP
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