When heat-activated tape is used for duct closure, before applying any sort of stress, all joints and seams
should be allowed to cool to a temperature below _____.
a. 100°F
b. 125°F
c. 150°F
d. 175°F
c
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Most SMA welders try to leave a welding electrode stub that is no more than a 1 1/2 in. to ____ long.
A. 2 in. B. 2 1/2 in. C. 2 3/4 in. D. 3 in.
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Explain the difference between annealling and tempering
What will be an ideal response?
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A pvc pipe with a high schedule rating would be structurally ____________________ than one having a lower schedule rating
Fill in the blank(s) with correct word
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Whose work on crowd psychology demonstrated the power of charismatic leaders to galvanize mob action?
a. Gustave Le Bon b. Max Weber c. Émile Durkheim d. Henri Bergson
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