Why should the mating surfaces of slip-critical connections not be painted?

What will be an ideal response?


Paint can act as a lubricant and thus reduce the friction of steel against steel. Therefore, paint should not be applied to the mating surfaces of slip-critical connections unless the paint has been qualified according to the Research Council on Structural Connections (RCSC).

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The smoothest finish on a flange face is the _____.

a. concentric serrated b. phonographic serrated c. raised face d. coldwater finish

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La irritación de la piel que puede ocasionar la exposición al cemento se denomina _____.

a. escoriación por cal b. reacción puzolana c. dermatitis del cemento d. reacción al cemento

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Technician A says that a stuck open wastegate can cause the engine to burn oil. Technician B says that a clogged PCV system can cause the engine to burn oil. Which technician is correct?

A) Technician A B) Technician B C) Both technicians D) Neither technician

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A wall 16'-2'' will require ____ sheets of OSB, with 3'-10'' left over.

A. two B. three C. four D. five

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