In the accompanying figure, what happens when the pressure switch opens?
What will be an ideal response?
When the pressure switch opens, coil 1M will deenergize, permitting all 1M contacts to return to their normal positions.
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Bluegrasses and fescues germinate best when temperatures are in the range of ____________________ degrees F
Fill in the blank(s) with correct word
What type of thread lubricant should be used when connecting the oxygen regulator to the oxygen cylinder?
A) Light-weight machine oil B) Only nonflammable packing C) Teflon tape D) No lubricant or sealant of any kind should be used.
Exterior-grade adhesives are made from ____, a more moisture-resistant adhesive that releases much less formaldehyde than urea formaldehyde and is a better choice for a green home.
A. hydrolized formaldehyde B. phenolamine C. phenol formaldehyde D. hydrophenal formaldehyde
The accompanying figure illustrates ____ forging.
A. machined B. stamped C. drop D. hot