The AC sine wave varies from zero to its maximum value in accordance with:
A) a mathematical formula. B) a geometric progression.
C) an algebraic function. D) a trigonometric relationship.
D
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Which of the following views includes cutaway views of major building components?
a. elevation views b. plan views c. sectional views d. none of the above
Which of these animals is NOT one of the normal intermediate hosts for the Echinococcus multilocularis species of tapeworm?
A) foxes B) mice C) coyotes D) cats
When preparing aluminum pipe coupons, use an approved solvent and a clean rag to remove any grease or
oil within a minimum of _____. a. 1-1/2" from the weld joint b. 1" from the weld joint c. 3/4" from the weld joint d. 1/2" from the weld joint
The risers and treads of some shop-built stairs are mortised together to _____
a. speed up assembly b. properly align the treads c. reduce fabrication costs d. prevent squeaking