Heat Transfer Boiling of milk in an open vessel is an example of __________ boiling. Film Saturated nucleate Sub-cooled None of these Film Saturated nucleate Sub-cooled None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The value of Stefan-Boltazman constant in SI unit is 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 0.1714 x 10-8kcal/m². °K4 5.6697 x 10-8kcal/m² . °K4 0.1714 x 10-8W/m².°K4 5.6697 x 10-8W/m².°K4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the total emissivity of conductors Increases Decreases Remains same Decreases linearly Increases Decreases Remains same Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation emitter Both emitter & absorber absorber none of the listed here emitter Both emitter & absorber absorber none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces polished contaminated cooling clean and dirt free smooth clean polished contaminated cooling clean and dirt free smooth clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a body is equal to its emissivity at a particular temperature none of the listed here for circular bodies under thermal equilibrium at a particular temperature none of the listed here for circular bodies under thermal equilibrium ANSWER DOWNLOAD EXAMIANS APP