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_________ joint is used to connect the wooden tie and the feet of rafters in a couple of close roof.(a) Dovetail halved(b) Closed mortised and tenoned(c) Pin and tenoned(d) Open and pinI have been asked this question by my school principal while I was bunking the class.I'd like to ask this question from Single and Double Roofs in section Roofing Materials of Construction & Building Materials

Answer»

Right CHOICE is (a) Dovetail halved

The best I can EXPLAIN: Dovetail halved joint is USED to connect wooden tie and the feet of rafters in a couple of close roof. In a couple close roof, the ENDS of the couple of common rafters are connected a tie beam. It is used to PREVENT the rafters from spreading out of the wall.



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