Example: quiz answers
Cooling Tower Pumping and Piping
3. Air in pump suction; as caused by tower pan vortex, pan drain down or faulty bypass. 4. Unstable pump operational points as caused by: (a) Improper application of tower bypass controls. (b) High pressure drop tower spray nozzles in combination with tower bypass. 5. Inadequate maintenance procedures causing: (a) Plugged suction strainer.
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