The advantage of mercury relays is that each time the relay is used the contact is renewed, eliminating burning and pitting cased by an arc when connection is made or broken.

Question

Quizplus · Accepted Answer

This statement is true. Mercury relays have the advantage that the contact is renewed each time they are used, which helps to prevent burning and pitting caused by an arc when the connection is made or broken.

The Advantage of Mercury Relays Is That Each Time the Relay