Question: QUESTION 2: (2 pts) The failure mode being studied is the stoppage of agitation in a tank before mixing is complete. This becomes the top

 QUESTION 2: (2 pts) The failure mode being studied is the

QUESTION 2: (2 pts) The failure mode being studied is the stoppage of agitation in a tank before mixing is complete. This becomes the top event. Further team study indicates that this will occur if any of the following occurs: - Power loss - Timer shuts off too soon - Agitator motor failure - Agitator power train failure - Power loss will occur if external power source fails and the backup generator fails. - Timer shuts off too soon if it is set incorrectly or it has a mechanical failure. - Agitator motor fails if overheated or a fuse or capacitor fails. - Agitator power train fails if both belts A and B break or clutch fails. This is symbolized by the FTA diagram shown below. QUESTION 2: (2 pts) The failure mode being studied is the stoppage of agitation in a tank before mixing is complete. This becomes the top event. Further team study indicates that this will occur if any of the following occurs: - Power loss - Timer shuts off too soon - Agitator motor failure - Agitator power train failure - Power loss will occur if external power source fails and the backup generator fails. - Timer shuts off too soon if it is set incorrectly or it has a mechanical failure. - Agitator motor fails if overheated or a fuse or capacitor fails. - Agitator power train fails if both belts A and B break or clutch fails. This is symbolized by the FTA diagram shown below

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