What prevents the water in a cooling tower from freezing?
What will be an ideal response?
sump heater, antifreeze
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The schematic wiring diagram uses photos to represent electrical components in the system.
Answer the following statement true (T) or false (F)
The Plant Variety Protection Act allows the holding of ____________________ for genetically engineered plants
Fill in the blank(s) with correct word
For personal safety, workers with long hair should _____
a. gather it in a ponytail b. avoid areas where power tools are in use c. cut it short d. contain it with a net, hat, or other protective covering
How is the airflow adjusted on most commercial air handlers?
A) By moving the speed tap on the blower motor B) By adjusting the pitch of the blades on the blower wheel C) By increasing or decreasing the voltage to the fan motor D) By adjusting the sheave on an adjustable pulley