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Which of the following is not a section of a steel door frame?(a) Single angle iron(b) Double angle iron(c) Q-section(d) T-sectionI had been asked this question in examination.This interesting question is from Door Frames topic in portion Doors, Windows and Ventilators of Construction & Building Materials

Answer»

The CORRECT option is (c) Q-section

Easiest explanation: The various sections of a steel DOOR FRAME are single ANGLE iron, DOUBLE angle iron, T-section and channel sections. Steel frames are widely used in factories and workshops.



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