What is the uppermost part of a plunger used on a port helix metering pump known as?
A. upper helix
B. vertical slot
C. plunger lugs
D. plunger leading edge
Answer: D
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What will be an ideal response?
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Which switching device creates its own electrical voltage pulse?
A) Pickup coil B) Optical sensor C) Hall-effect switch D) Ignition coil
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What type of duct system is commonly used with mini-split heat pumps?
A) Extended plenum B) No duct work C) Radial system D) Perimeter loop system
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Change 3.375" to inches/fractional inches.
Fill in the blank(s) with the appropriate word(s).
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