Uploaded by Chutchai Ama

ASME & NBIC Code Quiz: PWHT Temperature & Time

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QUIZ: ASME AND NBIC CODE KNOWLEDGE
ISSUE 501 : JAN 8, 2024
RELATED CODE : ASME B31.1, 2022
Chutchai Phromngam
Line ID: cphromngam
Chutchai.phromngam@apave.com
(TEMP)
QUIZ: ASME AND NBIC CODE KNOWLEDGE ISSUE 501
PWHT TEMPERATURE, TIME AND RECORD
Table 132.1.1-1 HOLDING TIME
Metal temperature:
≥ Holding temp
Furnace charging temperature:
> 800 ℉ (425 ℃)
(TIME)
FIG-1
Cont’d
2/3
A) Yes.
B) No.
C) Yes, provided the requirements of para 132 of B31.1 are followed.
D) Yes, provided the approved by User.
Reference Code para:________________
QUIZ: ASME AND NBIC CODE KNOWLEDGE ISSUE 501
While AI review PWHT report and record chart, holding temperature during PWHT of
BEP have some period holding temperature is lower than required temperature[see
FIG-1]. May the holding temperature during PWHT be accumulated rather than
continuous?
3/3
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