is caused by corrosion, leading to surface wear and eventual failure.
Fill in the blank(s) with the appropriate word(s).
Pitting
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A horse’s structure is known as its ____________________.
Fill in the blank(s) with the appropriate word(s).
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Blueprints can be used to size air-conditioning and heating equipment.
Answer the following statement true (T) or false (F)
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If low-voltage and high-voltage cables must be placed in parallel runs, they should be separated by at least 6" (150 mm) in order to protect the low-voltage conductors from _____.
a. noise b. corrosion c. heat d. vibration
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Gas fired rooftop units are normally vented though
A) Draft hoods connected directly to the unit B) A separate power venter C) Double wall vent pipe connected to the top of the unit D) Double wall vent pipe connected to the side of the unit
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