Circuit Breakers

question 46

Multiple Choice

Circuit breakers

• A)were in place, but failed to work effectively when the Dow fell 508 points on October 19, 1987.
• B)temporarily halt market trading if prices fall by some specified percentage.
• C)do not place a limit on program trading.
• D)have not been "tripped" since they were instituted.

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Definitions:

Powered

Refers to an object or system supplied with or capable of using electrical energy.

AC Output Module

A component in automation systems that interfaces with AC (alternating current) devices, converting digital signals into AC power outputs.

Maximum Current Rating

The highest current a component can safely carry without sustaining damage or excessive performance degradation.

20 To 30 Ampere

A range of electrical current magnitudes typically used to specify the capability of electrical components or circuits.