Fiber column forms are a tube made by wrapping layers of fiber _____.
a. in a crisscross pattern
b. around a core
c. alternating with layers of plastic film
d. in a spiral
Answer: D
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What is the difference between self?pollination and cross?pollination?
What will be an ideal response?
1/4 + 3/8 = _____. Reduce your answer to the lowest terms
a. 4/8 b. 1/2 c. 5/8 d. 5/4
Which of the following statements about the use of turnbuckles is correct?
a. Hook-and-hook turnbuckles are preferred over eye-and-eye turnbuckles for rigging. b. Turnbuckles are used to adjust the length of rigging connections. c. Turnbuckles are best tightened with a pipe wrench at least 24" (61 cm) in length. d. When using multi-legged slings or hitches, two turnbuckles should be used on each leg.
According to the power triangle, the apparent power is _____.
a. less than the true power b. greater than the true power c. less than the reactive power d. equal to the reactive power