Why are piercing valves used in refrigerant work?
A) To remove a process tube B) To allow a constant evacuation
C) To install a gauge manifold set D) To access a sealed system
D
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At a meeting, what does the gavel symbolize?
What will be an ideal response?
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An optoisolator uses an LED-photodiode combination that is encased in a(n) ____.
a. PN junction diode b. integrated circuit c. breadboard d. capacitor
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List the two methods by which landscapers obtain annuals
What will be an ideal response?
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3.525 × 3.44 =
A) 12.126 B) 11.126 C) 11.026 D) 12.026
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