Heat Transfer The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation. Half Is same as Lower than Greater than Half Is same as Lower than Greater than ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Is not affected Increases May increase or decrease; depends on the feed Decreases Is not affected Increases May increase or decrease; depends on the feed Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator Feed is introduced in the first effect No pumps are required between successive effects None of these Feed flows from low pressure to high pressure Feed is introduced in the first effect No pumps are required between successive effects None of these Feed flows from low pressure to high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Gives a higher shell side pressure drop Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a higher shell side pressure drop Gives a lower shell side pressure drop Can pack more surface area into a shell of given diameter None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Remains unchanged Increases Decreases Increases exponentially Remains unchanged Increases Decreases Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Arithmetic mean area Geometric mean area Logarithmic mean area None of the listed here Arithmetic mean area Geometric mean area Logarithmic mean area None of the listed here ANSWER DOWNLOAD EXAMIANS APP