Common air conditioning controls are switches that open or close based on a monitored condition such as:
A) Temperature.
B) Current.
C) Pressure.
D) None of the above.
E) All of the above.
E
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Central heating systems are divided into two types, forced air and ____________________.
Fill in the blank(s) with the appropriate word(s).
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The soil bacteria Bacillus thuringiensis secretes a ____________________ effective in controlling many insects
Fill in the blank(s) with correct word
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When the torsion bar twists, it changes the position of what?
What will be an ideal response?
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Size of the spotted figures
A) 80'
B) 128'
C) 160'
D) 192'
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