Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Forced convection Conduction Radiation Natural convection Forced convection Conduction Radiation Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A black body does not __________ radiation. Reflect Absorb or emit Refract Both B & C Reflect Absorb or emit Refract Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Prandtl number Peclet number Reynolds number Grashhoff number Prandtl number Peclet number Reynolds number Grashhoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, thermal conductivity is expressed in Watt/m4. °K Watt/m². °K Watt/m². °K Watt/m.°K Watt/m4. °K Watt/m². °K Watt/m². °K Watt/m.°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. Hyperbolic Parabolic Linear Logarithmic Hyperbolic Parabolic Linear Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be W/m.k None, A is just a number W/m.k² W/m W/m.k None, A is just a number W/m.k² W/m ANSWER DOWNLOAD EXAMIANS APP
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