Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid Remains unchanged Increases or decreases depending on number of shell passes Increases Decreases Remains unchanged Increases or decreases depending on number of shell passes Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the rate of heat transfer boiling point elevations ratio of the weight of the thin liquor to thick liquor temperature of the feed rate of heat transfer boiling point elevations ratio of the weight of the thin liquor to thick liquor temperature of the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer co-efficient in case of fluid flowing in tubes is not affected by the tube length/diameter ratio, if the flow is in the __________ zone. laminar highly turbulent None of the listed here transition laminar highly turbulent None of the listed here transition ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Remains constant Increases May increase or decrease ; depends on the material Decreases Remains constant Increases May increase or decrease ; depends on the material Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to Heat flux None of these That across the entire pipe Temperature difference Heat flux None of these That across the entire pipe Temperature difference ANSWER DOWNLOAD EXAMIANS APP