Practice question

What is the purpose of applying sealant to inductive loop detector saw cuts?

To improve the loop's detection sensitivity
To protect the loop wire from moisture intrusion, debris, and mechanical damage, and to secure it in the saw cut
To increase the loop's inductance
To make the saw cut visible on the pavement surface

Answer: B — To protect the loop wire from moisture intrusion, debris, and mechanical damage, and to secure it in the saw cut

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