12 Questions
What is the correct step for attaching the completion machine and alignment tool to the isolation valve?
Advance shaft until completion plug contacts fitting threads, then rotate shaft until completion plug threads are engaged with fitting threads and securely bolt isolation valve to fitting
What is the purpose of performing a 'dry run' alignment of the completion plug?
To ensure the completion plug threads are aligned with the fitting threads before securing the isolation valve to the fitting
What is the correct step for withdrawing the shaft after completing the hot tap procedure?
Rotate shaft in the opposite direction until completion plug is unscrewed from fitting and withdraw shaft to rearmost position
What should be done to the cutter and pilot bit before attaching the drilling machine to the isolation valve?
Thoroughly coat the cutter and pilot bit with cutting grease
What should be done if the boring bar does not advance easily during the drilling operation?
Retract the boring bar and report to the supervisor
What is the purpose of retracting the boring bar to its rearmost position?
To ensure the cutter and pilot bit clears the isolation valve
What should be done if internal corrosion is found in the examined coupon?
Immediately report it to the supervisor
What is the purpose of bleeding off pressure from the isolation valve?
To ensure completion plug is properly seated
When should the completion plug be screwed into the fitting?
After attaching the completion machine assembled with inserting tool
What is the purpose of operating the drilling machine until the pilot bit penetrates the pipe?
To measure the travel required to complete the drilling operation
What should be done if the cut is not complete during the drilling operation?
Retract boring bar to its rearmost position
When should the completion flange be bolted solidly to the fitting flange?
After attaching the completion machine assembled with inserting tool
Test your knowledge of hot taps for 4" and above with this quiz. Covering essential steps such as equipment operation, isolation valve attachment, and completion plug alignment, this quiz will help reinforce important procedures for hot tapping operations.
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