Explain why safety is so important when addressing indoor air quality
What will be an ideal response?
There are countless potential hazards that might be encountered including working in and around systems that might cause electrical, fire or explosion hazards, water hazards, confined spaces, poisoning from ingestion or exposure to harmful or potentially toxic chemicals or biological contaminants, climbing on ladders or scaffolds or surfaces where slips and falls might occur.
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Grafting is used primarily on trees
Indicate whether the statement is true or false
At what temperature range do batteries work best?
A) 0°F to 32°F (?18°C to 0°C) B) 68°F to 78°F (20°C to 26°C) C) 90°F to 110°F (32°C to 43°C) D) 35°F to 65°F (2°C to 18°C)
Window air conditioners range in size from about 4,000 btu to 24,000 Btu.
Answer the following statement true (T) or false (F)
If an air conditioning system is calling for cooling and the compressor is running but the indoor (evaporator) fan is not running, which terminal on the thermostat will the technician most likely check first?
A. Y B. G C. R D. W