Answer the following statement(s) true (T) or false (F)

1. Control magnetic relays are used to control small loads.
2. Most of the relays used in machine tool control have double-break contacts.
3. Relays are used more often to open and close control circuits than to operate power circuits.
4. The greatest advantage of relays with mechanical contacts is that they are resistant to shock and vibration.
5. Magnetic relays are affected by the electric noise and the voltage spikes induced in the system.


1. TRUE
2. TRUE
3. TRUE
4. FALSE
5. FALSE

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