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The ___________ are generally provided to give light and ventilation both to the interior part of a building.(a) Ventilators(b) Doors(c) Windows(d) LintelsI had been asked this question in unit test.The above asked question is from Components of a Door in section Doors, Windows and Ventilators of Construction & Building Materials

Answer»

Right choice is (c) Windows

For explanation I would say: When Windows are PROVIDED for a purpose of LIGHT only, as in case of storage ROOM, showrooms, etc., they may be fixed so that they cannot be open. But when Windows are provided for light and ventilation, some or all the PORTIONS of Windows must open.



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