Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Parallel Neither A nor B Straight Both A & B Parallel Neither A nor B Straight Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the dry bulb More than the wet bulb Equal to the wet bulb Less than the wet bulb Equal to the dry bulb More than the wet bulb Equal to the wet bulb Less than the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Neither A nor B Both A & B Height < 6 Diameter < 0.6 Neither A nor B Both A & B Height < 6 Diameter < 0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Sieve plate column Bubble cap column Randomly packed column Wetted wall column Sieve plate column Bubble cap column Randomly packed column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. None of these Percentage Relative Molal None of these Percentage Relative Molal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser load is the same in both the cases but reboiler load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
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