Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Increases Remains unaffected Decreases Increases exponentially Increases Remains unaffected Decreases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Conduction only Forced convection and conduction Forced convection only Free and forced convection Conduction only Forced convection and conduction Forced convection only Free and forced convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 1 to 103 0.6 to 120 l to 50 0.06 to 120 1 to 103 0.6 to 120 l to 50 0.06 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Does not provide a safety factor for design Accounts for additional resistances to heat flow None of these Is a dimensionless quantity Does not provide a safety factor for design Accounts for additional resistances to heat flow None of these Is a dimensionless quantity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) αT α T⁴ Independent of T α 1/T αT α T⁴ Independent of T α 1/T ANSWER DOWNLOAD EXAMIANS APP
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 Conduction Radiation Natural convection Forced convection Conduction Radiation Natural convection Forced convection ANSWER DOWNLOAD EXAMIANS APP
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