Although most contacts have a snap action, they do not generally close with a ____ action.
A. snap
B. digital
C. bounceless
D. single
Answer: D
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A common byproduct of stepwise polymerization is ____and hydrogen chloride.?
A. ?formaldehyde B. ?acetaldehyde C. ?benzene D. ?acetic acid
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Using a sketch, explain the concept of fire separation distance and its effect on the required fire-resistance rating of an exterior wall.
What will be an ideal response?
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The profile has a ______ horizontal scale and a ______ vertical scale.
Fill in the blank(s) with the appropriate word(s).
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What is meant by "selective" and "nonselective" herbicides?
What will be an ideal response?
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