Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Bubble-cap column Packed column (stacked) Randomly packed column Sieve-plate column Bubble-cap column Packed column (stacked) Randomly packed column Sieve-plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not fixed by the process requirements, in the design of absorbers? None of these Composition of the entering liquid Terminal concentrations of gas stream Flow rate of the entering gas None of these Composition of the entering liquid Terminal concentrations of gas stream Flow rate of the entering gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat load in a cooling tower Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range Neither A nor B Both A & B Means the amount of heat thrown away (KCal/hr.) by the cooling tower Is equal to the number of kg, of water circulated times the cooling range Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be Both A & B Humidified Cooled Dehumidified Both A & B Humidified Cooled Dehumidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Mechanical draft cooling tower Rotary dryer Multiple effect evaporator Rotating disc contactor Mechanical draft cooling tower Rotary dryer Multiple effect evaporator Rotating disc contactor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition ANSWER DOWNLOAD EXAMIANS APP
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