1.

The middle horizontal member of the shutter is called:(a) Median rail(b) Mid rail(c) Sill rail(d) Lock railI have been asked this question in a national level competition.I want to ask this question from Doors and Windows in division Building Construction of Basic Civil Engineering

Answer»

Correct ANSWER is (d) LOCK rail

The BEST I can explain: The middle portion where the provisions for a lock are generally GIVEN. Hence it is CALLED lock rail.



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