Heat Transfer In sub-cooled boiling, Very large vapour space is necessary Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid Very large vapour space is necessary Temperature of the heating surface is less than the boiling point of the liquid Temperature of the heating surface is more than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to None of these 4.88 kcal/hr. m.2°C 1 kcal/hr. m².°K 1 kcal/hr. m²°C None of these 4.88 kcal/hr. m.2°C 1 kcal/hr. m².°K 1 kcal/hr. m²°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Prandtl Reynolds None of these Colburn Prandtl Reynolds None of these Colburn ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Air Black Water Silver Air Black Water Silver ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8, where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter (D) as (D)1.8 (D)0.2 (D)-0.2 (D)-1.8 (D)1.8 (D)0.2 (D)-0.2 (D)-1.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation None of the listed here total monochromatic Both total & monochromatic None of the listed here total monochromatic Both total & monochromatic ANSWER DOWNLOAD EXAMIANS APP
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