Heat and Mass Transfer A non-dimensional number generally associated with natural convection heat transfer is Prandtl number Nusselt number Weber number Grashoff number Prandtl number Nusselt number Weber number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A steam pipe is to be insulated by two insulating materials put over each other. For best results Both may be put in any order Whether to put inferior OIL over pipe or the better one would depend on steam temperature Better insulation should be put over pipe and better one over it Inferior insulation should be put over pipe and better one over it Both may be put in any order Whether to put inferior OIL over pipe or the better one would depend on steam temperature Better insulation should be put over pipe and better one over it Inferior insulation should be put over pipe and better one over it ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Planck’s law holds good for All of these all coloured bodies polished bodies black bodies All of these all coloured bodies polished bodies black bodies ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat is the heat required to Convert water into steam and superheat it Change vapour into liquid Increase the temperature of a liquid of vapour Change liquid into vapour Convert water into steam and superheat it Change vapour into liquid Increase the temperature of a liquid of vapour Change liquid into vapour ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of heat flow through a body is Q = [kA (T₁ - T₂)]/x. The term x/kA is known as None of these Thermal resistance Thermal coefficient Thermal conductivity None of these Thermal resistance Thermal coefficient Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The concept of overall coefficient of heat transfer is used in heat transfer problems of Conduction Convection Conduction and convection Radiation Conduction Convection Conduction and convection Radiation ANSWER DOWNLOAD EXAMIANS APP
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