-- card: 82406 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 2707
-- name: #357
----- 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-6.2 What kind of antenna feed line is constructed of a center conductor encased in insulation which is then covered by an outer conducting shield and weatherproof jacket?

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Twin lead.

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Coaxial cable.

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Open-wire feed line.

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Waveguide.

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Correct answer is B