What would happen if a hydronic system was installed without an expansion tank?
What will be an ideal response?
When water is heated, it expands a great deal; if the expansion tank was not there, the relief valves would open and cause constant flooding.
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For very thin traces that have to be repaired and are not completely severed, what method is used?
What will be an ideal response?
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____________________ is popular for use where flexibility is needed to connect raceway wiring systems to luminaires and equipment.
Fill in the blank(s) with the appropriate word(s).
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Which rabbit breed is grown for its fur?
a. Champage D’Argent c. New Zealand White b. Havana d. Californian
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The maximum temperature at which soft soldering is done is ____.
A. 212°F B. 400°F C. 600°F D. 842°F
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