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16 Questions

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UV Reactor-PDC Panel SOP Quiz

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Questions and Answers

What is the purpose of the procedure mentioned in the text?

To conduct maintenance on an individual UV Train PDC panel while keeping the rest of the UV Train online (correct)

To shut down all the UV reactors in the UV Train

To inform the Control Room Operator about the UV Train maintenance

To start up the standby reactor in the UV Train

What can be done without disrupting the reactor operation?

Informing the Control Room Operator about the maintenance

Shutting down all the UV reactors in the UV Train

Switching all running reactors from 'Local' to 'Remote'

Switching the UV Train PDC panels from 'Remote' to 'Local' (correct)

How many reactors should be running at a minimum according to the procedure?

At least 5 reactors (correct)

At least 4 reactors

At least 6 reactors

At least 3 reactors

When should the standby reactor be put to 'Local'?

When 5 reactors are running Signup and view all the answers

What would be noticeable to the operators on the PCS during this procedure?

Switching the 'HOA' switches from 'Remote' to 'Local' Signup and view all the answers

What is the purpose of waiting 6 to 7 minutes for the 'Standby Reactor' to complete its warm up and enter the 'On Line' mode?

To confirm that the newly started reactor will not fail due to some other problem Signup and view all the answers

What is the significance of switching all running reactors from 'Remote' to 'Local'?

To stop the reactor without disrupting its operation Signup and view all the answers

What action should be taken after all the reactors are confirmed 'On Line'?

Secure the reactor chosen for service by switching from 'Local' to 'Off' at the PDC Panel switch Signup and view all the answers

What does the interlock switch prevent?

Performing work on the actual UV reactor Signup and view all the answers

What should be done after completing service work on the PDC panel?

Restart the reactor by putting the 'HOA' switch to 'Local' and warming up the unit Signup and view all the answers

What happens when a reactor is switched back to 'Remote' mode from 'Local'?

It drops out to 'Standby' Signup and view all the answers

What is the purpose of the 5-minute delay for UV Reactor warm-up in PCS Logic?

To prevent plant shutdown Signup and view all the answers

When can work be performed on the actual UV reactor?

Never, due to the interlock switch Signup and view all the answers

'HOA' switch should be put to which mode when restarting the reactor?

'Local' Signup and view all the answers

How long should one wait for the 'Standby Reactor' to complete its warm up before confirming it is 'On Line'?

6 to 7 minutes Signup and view all the answers

What action indicates that all reactors are confirmed 'On Line'?

The status of UV Reactor indicates that it is 'On Line' at the PCS panel switch Signup and view all the answers