Heat Transfer Film condensation is promoted on a/an __________ surface. clean & smooth oily dirty coated clean & smooth oily dirty coated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling occurs at __________ pressure. atmospheric negative very high none of the listed here atmospheric negative very high none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Gases Both solids & liquids Liquids Solids Gases Both solids & liquids Liquids Solids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Remove non-condensable gases Facilitate easy cleaning of tubes Purge the condenser None of these Remove non-condensable gases Facilitate easy cleaning of tubes Purge the condenser None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer As the difference between the wall temperature and bulk temperature increases, the boiling heat transfer co-efficient continues to decrease goes through a minimum goes through a maximum. continues to increase continues to decrease goes through a minimum goes through a maximum. continues to increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? All of these Plate Cube Sphere All of these Plate Cube Sphere ANSWER DOWNLOAD EXAMIANS APP
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