Heat Transfer Which one gives the monochromatic emissive power for black body radiation ? Wien's law Planck's law Stefan-Boltzman law Kirchhoffs law Wien's law Planck's law Stefan-Boltzman law Kirchhoffs law ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution Decreases rapidly with temperature rise In independent of pressure Increases rapidly with temperature rise Both B and C Decreases rapidly with temperature rise In independent of pressure Increases rapidly with temperature rise Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Increases Remains constant May increase or decrease ; depends on the material Decreases Increases Remains constant May increase or decrease ; depends on the material Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Occupies smaller space All of these Is easy to operate and maintain Is more economical Occupies smaller space All of these Is easy to operate and maintain Is more economical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Vacuum evaporator Double pipe heat exchanger Total condenser Partial condenser Vacuum evaporator Double pipe heat exchanger Total condenser Partial condenser 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 Forced convection Conduction Radiation Natural convection Forced convection Conduction Radiation Natural convection ANSWER DOWNLOAD EXAMIANS APP
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