Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to perimeter Perimeter to surface area Surface area to volume Volume to surface area Surface area to perimeter Perimeter to surface area Surface area to volume Volume to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Decreases Remains same Decreases linearly Increases Decreases Remains same Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Air Molten sodium Water Dowtherm Air Molten sodium Water Dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called heat transfer co-efficient thermal diffusivity heat flux thermal conductivity heat transfer co-efficient thermal diffusivity heat flux thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer None of the listed here equal to greater than smaller than None of the listed here equal to greater than smaller than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its Economy Steam load Capacity None of these Economy Steam load Capacity None of these ANSWER DOWNLOAD EXAMIANS APP
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