Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Wien's law Kirchhoffs law Stefan-Boltzman law Planck's law Wien's law Kirchhoffs law Stefan-Boltzman law Planck's law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place through a blanketting film of gas, the phenomenon is termed as __________ boiling. film none of the listed here pool transition film none of the listed here pool transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for Equal for all the three Cylinder Cube Sphere Equal for all the three Cylinder Cube Sphere ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Forced convection only Forced convection and conduction Free and forced convection Conduction only Forced convection only Forced convection and conduction Free and forced convection Conduction only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by radiation conduction convection none of the listed here radiation conduction convection none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Single pass, fixed tube sheet None of these Three pass, fixed tube sheet U-tube Single pass, fixed tube sheet None of these Three pass, fixed tube sheet U-tube ANSWER DOWNLOAD EXAMIANS APP
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