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(10 pts) In the pumping system shown below, the system cycles every hour. Ten minutes are required to fill the tank. A timer is set to open the contact 10 min after the switch is closed. The operator opens switch or the tank emergency valve if he/she notices an overpressure alarm. Develop a fault tree for this system with the top event tank ruptures during scheduled operations 2. IMPORTANT: Note the presence of the operator and the role they play, You MUST include at least three human errors in your fault tree. Contact Alarm Switch Power supply N Operator Pump Tank Timer coilEmergency valve

engineering   Mechanical-Engineering   
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i het to open t Coi tths event-Tank Ruptue TANK RUPTURES ALARM DOESNOT -EMERGENCY- VALVE SHUT up CONTACT OPERATE OPEA TIMER ColL FAIL LEVE FAILS TO OPEN THE CONTACH FAILURE FAILURE

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