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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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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