Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Decreases Remains unchanged Increases Increases exponentially Decreases Remains unchanged Increases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ paint has the minimum absorption co-efficient. White lead Black Grey Light cream White lead Black Grey Light cream ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above none of the listed here 0°C 0°K 100°C none of the listed here 0°C 0°K 100°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) f/2 2f f/4 f f/2 2f f/4 f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to Heat flux None of these Temperature difference That across the entire pipe Heat flux None of these Temperature difference That across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Solids Liquids Gases Both solids & liquids Solids Liquids Gases Both solids & liquids ANSWER DOWNLOAD EXAMIANS APP