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The width of rebating of the timber frame at its outer edge varies between ________(a) 12.5-15 mm(b) 2.5-13 mm(c) 8.1-9.2 mm(d) 18.5-20.5 mmThis question was posed to me by my school teacher while I was bunking the class.This key question is from Door Frames in portion Doors, Windows and Ventilators of Construction & Building Materials

Answer»

The CORRECT answer is (a) 12.5-15 mm

For EXPLANATION: The width of rebating of the timber frame at its outer EDGE varies between 12.5-15 mm. In this case, the depth is equal to the thickness of the SHUTTER. However, the depth of rebating of the timber frame at its inner edge is equal to 10 mm.



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