-- card: 84059 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 2707
-- name: #365
----- HyperTalk script -----
on openCard
  global group,rightone
  put 30 into group
  put "B" into rightone
  pass openCard
end openCard



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Question #30

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2I-7.5 What kind of antenna feed line is constructed of two conductors maintained a uniform distance apart by insulated spreaders?

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Coaxial cable.

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Ladder-line open-conductor line.

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Twin lead in a plastic ribbon.

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Twisted pair.

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Correct answer is B