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A ___________ may be defined as an openable barrier secured in an opening left in a wall for the purpose of providing access to the user of the structure.(a) Window(b) Door(c) Ventilator(d) LintelI had been asked this question during an online exam.The origin of the question is Components of a Door in section Doors, Windows and Ventilators of Construction & Building Materials

Answer»

The correct choice is (b) Door

The best I can explain: Door basically consists of two parts, NAMELY, frame and shutter. The door shutter is held in a position by the door frame which in turn is FIXED in the opening of the WALL by some suitable MEANS.



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