ASME SECTION 9 EXAM 2026/2027 WITH
ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS
|CURRENTLY TESTING QUESTIONS AND
SOLUTIONS|ALREADY GRADED A+|NEWEST
|BRAND NEW VERSION!!
The detrimental effects of cooling arrest in carbon steel typically occurs at what temperature?
Approximately above 500 deg F
When a localized area in steel HAZ is a mixture of hardened and unhardened microstructure the
steel is said to be?
Semi hardened
What is the critical cooling rate of a weldment?
The slowest rate at which a given austenitized steel can be cooled and not form undesirable
microstructures.
When is postweld heat treatment performed?
Immediately after welding
Which of the following is the primary cause of a weld metal crack?
When stresses from welding exceed the tensile strength of the metal
When should final inspection be performed of critical welds on high strength steels?
24 to 72 hours welding, with NDE, to look for hydrogen related cracking.
Which code must welding electrodes, filler metal and consumables inserts be conformed to, for
ASME B31.1 piping systems?
1|Page
, ASME Sec II Part C (127.2.1)
What are the ASME B31.1 quality requirements for ferrous metal backing rings used with
process piping?
Shall be of wieldable quality with a sulfur content not exceeding 0.05% (127.2.2a)
Which areas of an ASME B31.1 weld shall be clean and free from paint and, oil, rust, scale and
other materials that would be detrimental to either the weld or the base metal when heat is
applied?
Surfaces for welding. (127.39B)
What are the ASME B31.1 tolerance limits for the root opening of the joint for process piping?
Shall be within the tolerance limits in the WPS (127.3D)
The weld joint fit up gap between the end of a pipe and the bottom of the socket used in ASME
B31.1 power piping shall be approximately ?
1/16" (127.3E)
When is welding prohibited on new ASME B31.1 power piping welds?
If there is impingement on the weld area of high wind, if the weld area is frosted, if the weld
area is wet.(127.4b)
When is The ASME B31.1 requirements for tack welds at the root of the joint?
Shall be made with filler metal equivalent to that used in the first pass and made by a qualified
welder. (127.4.1 c )
What are the requirements for seal welding ASME B31.1 power piping?
Seal welding shall be done by a qualified welder and shall cover all exposed threads.
What is the ASME B31.1 maximum weld reinforcement for a girth weld pipe joint with nominal
thickness of 0.750 inch design temperature of 350 deg f
2|Page
ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS
|CURRENTLY TESTING QUESTIONS AND
SOLUTIONS|ALREADY GRADED A+|NEWEST
|BRAND NEW VERSION!!
The detrimental effects of cooling arrest in carbon steel typically occurs at what temperature?
Approximately above 500 deg F
When a localized area in steel HAZ is a mixture of hardened and unhardened microstructure the
steel is said to be?
Semi hardened
What is the critical cooling rate of a weldment?
The slowest rate at which a given austenitized steel can be cooled and not form undesirable
microstructures.
When is postweld heat treatment performed?
Immediately after welding
Which of the following is the primary cause of a weld metal crack?
When stresses from welding exceed the tensile strength of the metal
When should final inspection be performed of critical welds on high strength steels?
24 to 72 hours welding, with NDE, to look for hydrogen related cracking.
Which code must welding electrodes, filler metal and consumables inserts be conformed to, for
ASME B31.1 piping systems?
1|Page
, ASME Sec II Part C (127.2.1)
What are the ASME B31.1 quality requirements for ferrous metal backing rings used with
process piping?
Shall be of wieldable quality with a sulfur content not exceeding 0.05% (127.2.2a)
Which areas of an ASME B31.1 weld shall be clean and free from paint and, oil, rust, scale and
other materials that would be detrimental to either the weld or the base metal when heat is
applied?
Surfaces for welding. (127.39B)
What are the ASME B31.1 tolerance limits for the root opening of the joint for process piping?
Shall be within the tolerance limits in the WPS (127.3D)
The weld joint fit up gap between the end of a pipe and the bottom of the socket used in ASME
B31.1 power piping shall be approximately ?
1/16" (127.3E)
When is welding prohibited on new ASME B31.1 power piping welds?
If there is impingement on the weld area of high wind, if the weld area is frosted, if the weld
area is wet.(127.4b)
When is The ASME B31.1 requirements for tack welds at the root of the joint?
Shall be made with filler metal equivalent to that used in the first pass and made by a qualified
welder. (127.4.1 c )
What are the requirements for seal welding ASME B31.1 power piping?
Seal welding shall be done by a qualified welder and shall cover all exposed threads.
What is the ASME B31.1 maximum weld reinforcement for a girth weld pipe joint with nominal
thickness of 0.750 inch design temperature of 350 deg f
2|Page
