Lập kế hoạch & Dự toánCâu 286 / 360
On the plans a valve symbol drawn as two triangles meeting point-to-point (a bowtie) most commonly represents which device?
a.A pipe hanger
b.A cleanout
c.A gate or general shutoff valve
d.A floor sink
Giải thích
The bowtie of two triangles meeting at their points is the standard schematic symbol for a valve, commonly a gate or general shutoff valve, with added marks distinguishing specific types. Reading valve symbols lets you count and locate shutoffs during takeoff. The plan's legend defines which valve type each variation means.
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