Cooling Tower Considerations in Cold Climate

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What action must be taken if heavy ice forms on the inside of a cooling tower?

Increase the speed of the fan motors

Reverse the direction of the fan motors

Melt the ice by increasing the water flow over the fill

Take measures to reduce the ice formation (correct)

What is the purpose of a bypass line in a cooling tower?

To reduce heat loss from the cooling water

To increase the airflow through the tower during normal operations

To direct water flow to the water basin beneath the tower during cold weather (correct)

To direct water flow over the fill during startup

How can airflow control help reduce heat loss from the cooling water in a cooling tower?

By reducing the amount of cold air passing through the tower (correct)

By decreasing the speed of the fan motors

By reversing the direction of the fan motors

By increasing the speed of the fan motors

When should the bypass close in a cooling tower?

When the water in the basin reaches 27°C Signup and view all the answers

Why is it important to maintain some heat load and circulation of the cooling water when a cooling tower is shut down?

To avoid freezing of the water basin Signup and view all the answers

What is the purpose of using thermostatically controlled electric heaters or steam coils in a remote sump pump for circulation?

To prevent the basin water from freezing Signup and view all the answers

How does the indoor tank or dry basin method function in a cooling tower system?

It allows continuous drainage of water from the tower basin to an indoor storage tank Signup and view all the answers

What makes cooling towers susceptible to biological and chemical attack?

Composition of wood, which is susceptible to decay Signup and view all the answers

How can delignification, a form of wood deterioration in cooling towers, be controlled?

By using non-oxidizing biocides or keeping the chemical concentration of oxidizing agents low Signup and view all the answers

What is a method of controlling biological attack on cooling tower wood?

Limiting the amount of nails, screws, or iron hardware used in the wood Signup and view all the answers

Cooling Tower Considerations in Cold Climate

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Questions and Answers

What action must be taken if heavy ice forms on the inside of a cooling tower?

What is the purpose of a bypass line in a cooling tower?

How can airflow control help reduce heat loss from the cooling water in a cooling tower?

When should the bypass close in a cooling tower?

Why is it important to maintain some heat load and circulation of the cooling water when a cooling tower is shut down?

What is the purpose of using thermostatically controlled electric heaters or steam coils in a remote sump pump for circulation?

How does the indoor tank or dry basin method function in a cooling tower system?

What makes cooling towers susceptible to biological and chemical attack?

How can delignification, a form of wood deterioration in cooling towers, be controlled?

What is a method of controlling biological attack on cooling tower wood?

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