Corrosion of the metal components of an open recirculating water cooling system are the result of water contact with air and
. Scale deposits Algae Bacteria A B. C.
The buildup of organic and inorganic materials on surfaces of the water cooling tower interferes with
. Efficient pump operation The ability to maintain a stable water level Proper heat exchange A B. C.
D. Microbial growth
A slime consists of
A combination of certain minerals and algae
Algae combined with certain fungi
A combination of fungi, bacteria, and algae
Bacteria combined with certain algae
To determine the proper dosage of antimicrobial pesticides in a water cooling tower system, consult
. The facility manager Cooling tower manufacturer literature The antimicrobial pesticide label A B. C.
D. The service technician handbook
To prevent environmental contamination or injury to people
Use properly calibrated testing equipment to monitor antimicrobial levels in cooling tower water
Apply antimicrobial pesticides to cooling tower water at frequent intervals
Apply the maximum dose to cooling tower water as prescribed by the pesticide label
Dose the cooling tower water immediately after blowdown and again within 24 hours
Turn to Page 71 for Review Question Answers
MICROORGANISM CONTROL IN WATER COOLING SYSTEMS