Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Adsorption Evaporation Sublimation Dehydration Adsorption Evaporation Sublimation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. Less than Same as Very much less More than Less than Same as Very much less More than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Depend on saturated boiling point; may increase or decrease Remains same Increase Decrease Depend on saturated boiling point; may increase or decrease Remains same Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In paper industry, paper is dried in a __________ dryer. Tunnel Festoon Heated cylinder Conveyor Tunnel Festoon Heated cylinder Conveyor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during sensible cooling process ? Partial pressure of vapour None of the listed here Specific humidity Specific humidity & Partial pressure of vapour Partial pressure of vapour None of the listed here Specific humidity Specific humidity & Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed total pressure, humidity depends only on the Partial pressure of vapour in the mixture None of these Density of the vapour Heat capacity of the vapour Partial pressure of vapour in the mixture None of these Density of the vapour Heat capacity of the vapour ANSWER DOWNLOAD EXAMIANS APP