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Cableways are classified by tower combination into four families. Which set names all four families correctly?
Answer & Solution
Correct answer: B.
1. The unit groups cableways by whether towers are stationary or movable.
2. Both towers stationary gives a fixed cableway, confined to a straight line.
3. Luffing masts pivot on ball bases to sway sideways at right angles to the cable.
4. Radial cableways have one stationary tower and one movable tower radiating about it.
5. Parallel-travelling cableways have both terminal towers movable on straight parallel tracks.
_Source: IGNOU Concrete Technology, Unit 7 "Concreting Equipment" (Mixers, Cableways, Batchers, Buckets, Pre/Post Cooling)._
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