Section 5B: Inspection Examination & Testing (API 570 Pg 29-37) Flashcards
- When UT thickness measurements are taken:
A. They must be taken by an examiner qualified to ASNT
B. The owner/user must assure competency of those taking the readings
C. The exam must be conducted with at least 100 feet – candles of light
D. A minimum of 3 readings are taken at each CML
B. The owner/user must assure competency of those taking the readings
- UT thickness measurements may be performed by the:
A. Authorized Inspector
B. Examiner
C. Authorized inspector or the examiner
D. API qualified shear wave examiner (QUTE)
C. Authorized inspector or the examiner
- The inspector should consult with a corrosion specialist when:
A. CUI is discovered during the external inspection
B. The grounding connection is found corroded
C. The short-term corrosion rate changes significantly
D. Determining an external inspection interval
C. The short-term corrosion rate changes significantly
- Which of the following is NOT an appropriate response when a piping circuit’s corrosion rate has accelerated from the historical rates?
A. Follow up with acoustic emission
B. Follow up with more thickness readings at other examination points
C. Follow up with profile RT
D. Follow up with UT scan
A. Follow up with acoustic emission
- Guided – wave examination is a tool that:
A. Accurately determines wall thickness
B. Determines a volumetric percentage wall loss
C. Accurately detects cracks
D. Accurately detects and sizes cracks
B. Determines a volumetric percentage wall loss
- Which is NOT a primary function of the external inspection?
A. Determine the condition of the insulation
B. Determine the condition of any painting systems
C. Find vibrating piping
D. Check process conditions
D. Check process conditions
- During the external inspection, the inspector should always:
A. Check the wall thickness at each CML location
B. Record for any unrecorded temporary repairs
C. Record the temperature of the piping system
D. Remove a part of any insulation to check for CUI
B. Record for any unrecorded temporary repairs
- Who is responsible to perform the external inspection on a piping system?
A. Authorized inspector
B. Examiner
C. Authorized inspector, or an examiner
D. Authorized inspector or qualified others (examiners, operations and maintenance personnel.)
D. Authorized inspector or qualified others (examiners, operations and maintenance personnel.)
- During the external inspection, the inspector should look for components that have been replaced with the incorrect metallurgy. Which of the following components are most susceptible to being replaced with the wrong metallurgy?
A. Socket – welded fittings
B. Butt– welded fittings
C. Threaded components
D. Austenitic SS components
C. Threaded components
- Personnel performing the external inspection must:
A. Be qualified by appropriate training
B. Have a valid API 570 certificate.
C. Have a valid ASNT certificate
D. Have either an API 570 or appropriate ASNT certificate
A. Be qualified by appropriate training
- During the external inspection SPECIAL attention should be given to:
A. Hangers
B. Attachment welds
C. Tees and elbows
D. Pipe shoes
B. Attachment welds
- Weep – holes in repads should normally:
A. Remain open on in-service pipe
B. Be used to test the repad welds during each pipe outage
C. Be threaded and plugged after fabrication is complete
D. Be used to pump leak sealant compounds in the cavity between the shell and repad
A. Remain open on in-service pipe
- Weep-holes in repads that are plugged should:
A. Be seal welded
B. Have the plug removed at each schedule unit outage
C. Have the plug removed at each external inspection
D. Be plugged with a material that will not hold pressure (like grease)
D. Be plugged with a material that will not hold pressure (like Grease)
- When can a fatigue crack at a branch connection be first detected?
A. After about 25% of the pipe’s life has been consumed
B. After about 50% of the pipe’s life has been consumed
C. After about 80% of the pipe’s life has been consumed
D. After a failure occurs
C. After about 80% of the pipe’s life has been consumed
- What NDE technique can be used to find hotspots on refractory lined piping?
A. Shear wave UT
B. Acoustic emissions
C. Radiography
D. Thermography
D. Thermography