API 570 TEST QUESTIONS WITH
100% CORRECT ANSWERS
What best describes the scope of API 570? - Answer-API 570 covers inspection, repair,
alteration, and rerating procedures for metallic piping systems that have been in-service
One of the major concerns when designing pressure relief discharge piping is not: -
Answer-The manufacturer of a certain type of valve
In general how is the extent of inspection for new piping construction determined? -
Answer-The extent of inspection during fabrication and installation depends largely on
the severity of the service and quality of the workmanship
The classification and use of the initial service leak test it applies to: - Answer-Category
D fluid
Low yield strength bolting is permitted for use with metallic flange combinations when: -
Answer-Calculations have been done to show adequate strength to maintain joint
tightness.
Threated joints are suitable for normal fluid service per B31.3, what below is not normal
fluid service? - Answer-A fluid service not subject to category D, M, or high pressure
service or subject to severe cyclic conditions
The 6G position listed in section IX of ASME code can be described as: - Answer-ASME
SEC IX QW-461.4
From 40 to 50 degrees
As regards markings on fitting used in piping systems, what must always be present? -
Answer-B16.5 4.1.1
Manufacturer's name or trademark
Preheating prior to welding may be omitted if: - Answer-570 8.2.2.1
Approved by the piping engineer
When pre-heating to make a 831.3 weld, prior to welding what is the minimum distance
from the weld that pre-het shall be applied? - Answer-B31.3 330.1.4
The preheat zone shall extend at least 25 mm (1 inch) beyond each edge of the weld
, When preforming welding on piping systems constructed to ASME B31.3, what must
always be in place prior to welding? - Answer-B31.3 328.1
Qualified welding procedures, welders may be tested in production welds in many
cases.
A close interval potential survey on a cathode protected line may be used to verify that
the buried piping ... - Answer-570 9.1.2
Has good insulation from the surrounding earth and a protective potential throughout its
length
When preforming magnetic particle examinations using an enhancement coating what
must be demonstrated? - Answer-Section V Art. 7 T-741.2
30 minutes have passed before the final examination takes place.
What condition always requires reporting to the owner of a piping system? - Answer-570
- 9.6 Any significant increase in corrosion rates.
What shall new and replacement piping components comply with? - Answer-New
connections and replacements shall be designed and fabricated according to the
principles of the applicable code .
If misalignment of piping was noted during operation the cause should be determined
and corrected. Misalignment is usually caused what condition? - Answer-Inadequate
provision for expansion, broken hangers, and defective anchors.
>Inadequate provision for expansion
>Broken Hangers
>Defective Anchors
What are the requirements for inspection of piping joints during leak testing? - Answer-
All joints, including welds and bonds, are to be left uninsulated and exposed for
examination during leak testing
All joints , including welds and bonds are to be left uninsulated and exposed for
examination during leak testing.
What describes a globe valve? - Answer-It consists of a valve body that contains a disk
that moves axially to the desk centerline against a seat.
What describes a check valve's principal of operation? - Answer-Swing or lift piston
When a flange is manufactured in accordance with 816.5 the manufacturer is NOT
required to: - Answer-Hydrostatically test the flange.
What is an example of where creep cracking has been experienced in the industry is in:
- Answer-1/4 Cr steels above 900 degree Fahrenheit
100% CORRECT ANSWERS
What best describes the scope of API 570? - Answer-API 570 covers inspection, repair,
alteration, and rerating procedures for metallic piping systems that have been in-service
One of the major concerns when designing pressure relief discharge piping is not: -
Answer-The manufacturer of a certain type of valve
In general how is the extent of inspection for new piping construction determined? -
Answer-The extent of inspection during fabrication and installation depends largely on
the severity of the service and quality of the workmanship
The classification and use of the initial service leak test it applies to: - Answer-Category
D fluid
Low yield strength bolting is permitted for use with metallic flange combinations when: -
Answer-Calculations have been done to show adequate strength to maintain joint
tightness.
Threated joints are suitable for normal fluid service per B31.3, what below is not normal
fluid service? - Answer-A fluid service not subject to category D, M, or high pressure
service or subject to severe cyclic conditions
The 6G position listed in section IX of ASME code can be described as: - Answer-ASME
SEC IX QW-461.4
From 40 to 50 degrees
As regards markings on fitting used in piping systems, what must always be present? -
Answer-B16.5 4.1.1
Manufacturer's name or trademark
Preheating prior to welding may be omitted if: - Answer-570 8.2.2.1
Approved by the piping engineer
When pre-heating to make a 831.3 weld, prior to welding what is the minimum distance
from the weld that pre-het shall be applied? - Answer-B31.3 330.1.4
The preheat zone shall extend at least 25 mm (1 inch) beyond each edge of the weld
, When preforming welding on piping systems constructed to ASME B31.3, what must
always be in place prior to welding? - Answer-B31.3 328.1
Qualified welding procedures, welders may be tested in production welds in many
cases.
A close interval potential survey on a cathode protected line may be used to verify that
the buried piping ... - Answer-570 9.1.2
Has good insulation from the surrounding earth and a protective potential throughout its
length
When preforming magnetic particle examinations using an enhancement coating what
must be demonstrated? - Answer-Section V Art. 7 T-741.2
30 minutes have passed before the final examination takes place.
What condition always requires reporting to the owner of a piping system? - Answer-570
- 9.6 Any significant increase in corrosion rates.
What shall new and replacement piping components comply with? - Answer-New
connections and replacements shall be designed and fabricated according to the
principles of the applicable code .
If misalignment of piping was noted during operation the cause should be determined
and corrected. Misalignment is usually caused what condition? - Answer-Inadequate
provision for expansion, broken hangers, and defective anchors.
>Inadequate provision for expansion
>Broken Hangers
>Defective Anchors
What are the requirements for inspection of piping joints during leak testing? - Answer-
All joints, including welds and bonds, are to be left uninsulated and exposed for
examination during leak testing
All joints , including welds and bonds are to be left uninsulated and exposed for
examination during leak testing.
What describes a globe valve? - Answer-It consists of a valve body that contains a disk
that moves axially to the desk centerline against a seat.
What describes a check valve's principal of operation? - Answer-Swing or lift piston
When a flange is manufactured in accordance with 816.5 the manufacturer is NOT
required to: - Answer-Hydrostatically test the flange.
What is an example of where creep cracking has been experienced in the industry is in:
- Answer-1/4 Cr steels above 900 degree Fahrenheit
