1.

The horizontal length of the holdfast is ________(a) 5 cm(b) 10 cm(c) 20 cm(d) 25 cmThe question was posed to me during an interview.My doubt is from Definition of Technical Terms in chapter Doors, Windows and Ventilators of Construction & Building Materials

Answer»

Right choice is (c) 20 cm

Best explanation: The horizontal LENGTH of the holdfast is generally 20 cm. The DIMENSIONS of the section of the holdfast are 30 mm X 6 mm.



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