Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Decreases May increase or decrease; depends on the solid Remains unchanged Increases Decreases May increase or decrease; depends on the solid Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Regenerator Ceramic recuperator None of these Economiser Regenerator Ceramic recuperator None of these Economiser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Only volumes and not to surfaces Monochromatic radiation only Total radiation only Both A and B Only volumes and not to surfaces Monochromatic radiation only Total radiation only Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ paint has the minimum absorption co-efficient. Grey White lead Light cream Black Grey White lead Light cream Black ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by __________ may not necessarily require the presence of a medium none of the listed here natural convection radiation coduction none of the listed here natural convection radiation coduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer none of the listed here thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer none of the listed here thermal boundary layer lies inside the concentration boundary layer ANSWER DOWNLOAD EXAMIANS APP
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