An operator is responsible for monitoring a number of critical sub-systems in nuclear plant. There are four computer screens to provide decision support for this responsibility. If a fault occurs in sub system A, it could cause a serious safety problem in the plant. The operator must be notified immediately in order to render a report judgment in resolving the fault.

An operator is responsible for monitoring a number of critical sub-systems in nuclear plant. There are four computer screens to provide decision support for this responsibility. If a fault occurs in sub system A, it could cause a serious safety problem in the plant. The operator must be notified immediately in order to render a report judgment in resolving the fault.

An operator is responsible for monitoring a number of critical sub-systems in nuclear plant. There are four computer screens to provide decision support for this responsibility. If a fault occurs in sub system A, it could cause a serious safety problem in the plant. The operator must be notified immediately in order to render a report judgment in resolving the fault.



A. Audible alarm

B. text warning

C. graph representation of an alarm condition on computer

D. automatic shutdown to terminate the fault



Answer: A


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