Which is NOT a component of a time-delay relay?

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Multiple Choice

Which is NOT a component of a time-delay relay?

Explanation:
A time-delay relay delays turning on or off a circuit after the coil is energized. The essential parts are the coil, which provides the magnetic force to operate the switch; the timing mechanism, which determines how long the delay lasts; and the contacts, which open or close the circuit after the delay. An alarm isn’t required for the delay function; it may be added as a separate signal in some systems, but it isn’t a core component of the relay itself. So an alarm is not a component of a time-delay relay.

A time-delay relay delays turning on or off a circuit after the coil is energized. The essential parts are the coil, which provides the magnetic force to operate the switch; the timing mechanism, which determines how long the delay lasts; and the contacts, which open or close the circuit after the delay. An alarm isn’t required for the delay function; it may be added as a separate signal in some systems, but it isn’t a core component of the relay itself. So an alarm is not a component of a time-delay relay.

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