Cooling Tower Troubleshooting: Excessive Water Drift
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Questions and Answers

What does 'drift' refer to in the context of cooling towers?

  • Carrying away only sensible heat
  • Increased water treatment requirements
  • Water particles becoming entrained with the flow of air leaving the cooling tower (correct)
  • Reduction of tower cooling capacity

What causes excessive water drift in a cooling tower?

  • Reduced water flow to the spray headers
  • Overloading the tower’s fill and splash bar system
  • Correct placement of splash bars
  • Missing louvres that allow air to sweep rapidly through the tower (correct)

Why should drift be eliminated or reduced to a minimum in a cooling tower?

  • To reduce make-up water requirements (correct)
  • To increase water treatment requirements
  • To increase tower cooling capacity
  • To carry away only sensible heat

What can cause the outlet water temperature to rise in a cooling tower?

<p>Water is supplied at too high a rate for it to splash and break up (D)</p> Signup and view all the answers

How can over pumping contribute to excessive water drift in a cooling tower?

<p>By overloading the tower’s fill and splash bar system (B)</p> Signup and view all the answers

What could cause high temperatures in the cooling tower?

<p>Blocked or impeded airflow into the tower (D)</p> Signup and view all the answers

What is a potential cause of a tower fan motor overheating?

<p>Blocked ventilation holes due to dirt or debris (D)</p> Signup and view all the answers

What can happen if the oil level in the gear reducer system is insufficient?

<p>The gearbox may seize and contaminate the water in the cooling tower (B)</p> Signup and view all the answers

What could cause a loss of water flow in the cooling tower?

<p>Scale and sediment breaking off in the pipes due to improper water treatment (B)</p> Signup and view all the answers

What should be checked if a tower fan motor is making unusual noises?

<p>Vibration of the motor at both ends (A)</p> Signup and view all the answers

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