API-570 Demo and Sample
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Question: 32
What is the minimum holding time of SA-106 Grade B, 1 inch thick material?
2.4 hours
2 hours
1 hour
not specified
Answer: C Question: 33
What is the working pressure of a 150 Ib. flange, SA 350 Gr.LF6 CL 1, used at 400°F?
230 psig
200 psig
170 psig
140 psig
Answer: B Question: 34
What is the minimum class flange that can be used if the material is SA 351 Gr.C F8C, temperature 950?F and working pressure is 1930 psig
800
900
1500
This material can not be used at this temperature
Answer: C Question: 35
The preheat zone shall extend beyond each edge of a pipe weld
1â
2â
2T
3T
Answer: A Question: 36
What is the root face limitation as listed on the attached WPS and PQR
3/32â
1/8â
No limit
Not designated
Answer: D Question: 37
If the supporting PQR is used, are the P-noâs correct on the attached WPS?
Yes
No
Could be if properly preheated
Not enough information
Answer: B Question: 38
Is the thickness range on the WPS supported by the PQR?
Yes
No
Re qualification is required by API 570
Re qualification is required by ASME Section V
Answer: B Question: 39
Is the attached PQR properly qualified?
No, because RT is not allowed during PQR qualification
No, because there are not enough tensile tests
No, because peening is allowed by ASME B31.3
Yes
Answer: B Question: 40
What should have been the correct number and type of guide bends on the PQR?
6 side bends
2 face and 2 root bends
1 side, 1 face and 1 root bend
No side bends required
Answer: D Question: 41
According to API 570, a(n) is a person who assists the inspector by performing specific NDE testing.
NDE technician
Inspector assistant
Level II inspector
Examiner
Answer: D Question: 42
More than one contractor, manufacturer or installer may simultaneously qualify a welder. In such case, each participating organization shall be represented by during the test.
A certified welding inspector
A responsible employee
The welderâs supervisor
A welding engineer
Answer: B Question: 43
Which of the following best describes API 574?
code
Standard
specification
Recommended practice
Answer: D Question: 44
The potential for personnel exposure is deemed to be significant in which fluid service?
Category M fluid service
High pressure fluid service
Normal fluid service
Category B fluid service
Answer: A Question: 45
When an injection point circuit for the purpose of inspection is designated, the recommended up stream limit of the injection point circuit shall be the greater of ?
minimum 12 inches
maximum 12 inches
three pipe diameters
both A and C
Answer: D Question: 46
can cause flame detectors used to indicate a furnace or boiler fire to give false indications on control panels.
Welding or related repairs on piping
Piping alterations in the shop
Ultrasonic inspection
Radiographic inspection
Answer: D Question: 47
After application of a non destructive evaluation technique, any resulting evidence is commonly referred to as
A crack
porosity
a leak
an indication
Answer: D Question: 48
API 570 applies to piping systems for process fluids such as:
Firewater
Plumbing, sanitary sewers and storm sewers
Raw, intermediate, and finished products.
Piping systems on trucks, ships and barges
Answer: C Question: 49
Which of the following applies to socket welds in piping systems?
Should be avoided
Should be used in all welded piping
Should be welded using SAW only
Should be avoided where crevice corrosion may occur
Answer: D Question: 50
Each piece of magnetizing equipment shall be calibrated
at the beginning of each shift
at least once a year or whenever the equipment has been subject to major electrical repair
whenever the technician feels like it
at least once every 90 days
Answer: B
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