Water, in the form of low-pressure vapor, is suspended in the air and is called ____________________.
Fill in the blank(s) with the appropriate word(s).
humidity
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In pipe extrusion, what forms the inside of the pipe? ?
A. ?a mandrel B. ?a spider C. ?a tube D. ?a screw assembly
Para evitar daños en las secciones de la pluma cuando se utilicen eslingas de cable o de cadena, permanezca alejado de _____.
a. la cabina b. el alambrado c. las orugas d. los cilindros hidráulicos
All of the following statements are correct EXCEPT ________
A) Oil pressure warning systems work by completing the ground circuit B) Warning lights are designed to illuminate at 10 PSI to prevent engine damage C) Minimum acceptable oil pressure is 10 PSI D) All of these are correct.
Two crosslinkable polyesters are being considered for use as the resin in making a fiberglass-reinforced tank for processing various chemicals. One polyester is made from a glycol having four carbons between the alcohol groups and the other is made using the same acid but from a glycol having eight carbons between the alcohols. Compare the physical, chemical, and mechanical properties of the two
resins. If the chemicals being processed are water-based, which resin is the best candidate on the basis of chemical resistance? What will be an ideal response?