When installing grooved pipe couplings, the coupling housing halves are tightened together until _____.
a. they have a 1/8" gap between them
b. the required bolt torque is reached
c. there is a 1/4" gap between them
d. they touch
d. they touch
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Attic spaces used for storage or containing equipment that may require servicing ____.
A. do not require a lighting switch B. require one lighting outlet C. do not require a lighting outlet D. require GFCI protection on receptacles
Herodotus, along with recent but contested DNA studies, suggest that the Etruscans came to Italy from
a. Greece. b. Lydia. c. Carthage. d. Troy.
The type of edge cut shown is known as a _____
a. dado cut
b. bevel cut
c. mortise cut
d. chamfer cut
Express 440 K as a Fahrenheit scale temperature and round to the nearer tenth if necessary.
Fill in the blank(s) with the appropriate word(s).