Heat Transfer Graetz number is given by mCp/kL mCp/kμ kμ/mCp kL/mCp mCp/kL mCp/kμ kμ/mCp kL/mCp ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the None of these Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Neither A and B Both A and B Liquor-film co-efficient Velocity of circulation Neither A and B Both A and B Liquor-film co-efficient Velocity of circulation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Evaporation on small scale is to be done Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Fuel is cheaply available Evaporation on small scale is to be done Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Fuel is cheaply available ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) α 1/T αT Independent of T α T⁴ α 1/T αT Independent of T α T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator is not influenced much by the 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 rate of heat transfer boiling point elevations ratio of the weight of the thin liquor to thick liquor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS