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Cooling Tower Basic Operation Video Lecture | Mass Transfer - Chemical Engineering

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FAQs on Cooling Tower Basic Operation Video Lecture - Mass Transfer - Chemical Engineering

1. What is the purpose of a cooling tower in chemical engineering?
Ans. A cooling tower is used in chemical engineering to remove excess heat from industrial processes. It helps in maintaining the temperature of circulating water and prevents equipment from overheating.
2. How does a cooling tower operate in chemical engineering?
Ans. A cooling tower operates by allowing water to flow over a fill material, which increases the contact surface area between air and water. As the water flows down the fill material, it comes in contact with the air, which causes evaporation and heat transfer. This results in the cooling of the water, which can then be recirculated in the industrial process.
3. What are the key components of a cooling tower in chemical engineering?
Ans. The key components of a cooling tower include a fill material, a water distribution system, a fan or blower, and a drift eliminator. The fill material provides a large surface area for air-water contact, the water distribution system evenly distributes water over the fill material, the fan or blower creates air movement to enhance evaporation, and the drift eliminator prevents water droplets from being carried out of the tower.
4. How is the performance of a cooling tower measured in chemical engineering?
Ans. The performance of a cooling tower is measured using parameters such as the cooling range, approach, and effectiveness. The cooling range is the temperature difference between the hot water inlet and the cold water outlet, the approach is the temperature difference between the cold water outlet and the wet bulb temperature, and the effectiveness is the ratio of the actual heat transfer to the maximum possible heat transfer.
5. What are the common types of cooling towers used in chemical engineering?
Ans. The common types of cooling towers used in chemical engineering are natural draft cooling towers, forced draft cooling towers, and induced draft cooling towers. Natural draft cooling towers rely on natural convection for air movement, forced draft cooling towers use fans at the air inlet, and induced draft cooling towers use fans at the air outlet. Each type has its own advantages and is suitable for different applications.
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