Heat Transfer In counter flow compared to parallel flow, More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate Both A and B LMTD is greater More surface area is required for a given heat transfer rate Less surface area is required for a given heat transfer rate Both A and B LMTD is greater ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer _______ paint has the maximum absorption coefficient. White Grey Black Yellow White Grey Black Yellow ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Hot surface temperature Interfacial tension Liquid density Liquid viscosity Hot surface temperature Interfacial tension Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to 1 kcal/hr. m².°K None of these 1 kcal/hr. m²°C 4.88 kcal/hr. m.2°C 1 kcal/hr. m².°K None of these 1 kcal/hr. m²°C 4.88 kcal/hr. m.2°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Temperature gradient of the wall to that across the entire pipe None of these Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe None of these Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall ANSWER DOWNLOAD EXAMIANS APP
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