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A couple roof is suitable for spans up to _________

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in Construction & Building Materials by (190k points)
A couple roof is suitable for spans up to _________

(a) 3.6 metres

(b) 4.2 metres

(c) 5.6 metres

(d) 6.3 metres

This question was addressed to me in final exam.

This key question is from Single and Double Roofs topic in division Roofing Materials of Construction & Building Materials

1 Answer

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Best answer
Correct answer is (a) 3.6 metres

The explanation is: A couple roof is suitable for spans up to 3.6 metres. This type of roof has a great tendency to spread out at the wall plate level. However, a couple close roof is usually used when the span is limited to 4.2 metres.

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