Correct option is B
In trusses, the ridge line refers to the line joining the vertices (the highest points) of the trusses. This line often represents the peak of the roof structure where two sloping sides meet.
Explanation of Options:
1. Sky line:
Not a technical term used in truss or structural terminology.
2. Ridge line:
It represents the connection of the vertices of the trusses, typically at the roof's peak.
3. Top line:
A vague term not commonly used in structural design or trusses.
4. Peak line:
Similar to "ridge line" but not the standard terminology used in structural engineering.
