API 570 Question Bank (API 570 QB001)

124) Which of the following is NOT an item for consideration by an inspector when a leak sealing fluid ("pumping") is used for a temporary leak seal repair:

a) Consider the compatibility of the sealant with the leaking material

b) Consider the pumping pressure on the clamp (especially when re-pumping)

c) Consider the pressure testing of the piping in question

d) Consider the number of times the seal area is re-pumped

125) Any welding conducted on piping components in operation must be done in accordance with 

a) NFPA 704

b) API Standard 510

c) ASME B31.3

d) API Publication 2201

126) All repair and alteration welding to piping systems shall be done in accordance with the:

a) Exact procedures of ASME B31.3 or to the code to which it was built

b) Standards of ASME B31.1 or the code to which it was built

c) Principles of ASME B31.3 or the code to which it was built

d) Ideals of ASME, NBIC, or API standards

127) Welders and welding procedures used in making piping repairs, etc. shall be qualified in accordance with:

a) ASME B31.3 or the code to which the piping was built

b) NBIC or the system to which the piping was built

c) NACE or the method to which the piping was built

d) ASTM or the law to which the piping was built

128) The repair organisation responsible for welding shall maintain records of welding procedures and welder performance qualifications. These records shall be available to the inspector:

a) At the end of the job

b) After the start of welding

c) Following the start of welding

d) Before the start of welding

129) Preheating to not less than  __________ °F may be considered as an alternative to post weld heat treatment for alterations or repairs of P-1, piping initially post weld heat treated as a code  requirement (may not be used if the piping was post weld heat treated due to environmental cracking prevention).

a) 150

b) 200

c) 300

d) 350

130) When u sing local PWHT as a substitute for 360-degree banding on local repairs of PWHT'd piping, which of the following items is NOT considered.

a) The application is reviewed, and a procedure is developed by the piping engineer

b) The locally PWHT'd area of the p ipe must be RT'd or UT'd

c) A preheat of 300°F or higher is maintained while welding

d) The PWHT is performed for code compliance and not for environmental cracking

131) Piping butt joints shall be:

a) Double spiral fillet welds

b) Single fillet lap welds

c) Double fillet lap welds

d) Full-penetration groove welds

132) When should piping components that need repair be replaced?

a) When enough time remains on a turnaround to allow replacement

b) When repair is likely to be inadequate

c) When the cost of repair is as high as renewal

d) When replacement is preferred by maintenance personnel

133) Fillet welded patches (lap patches) shall be designed by

a) An engineer

b) The inspector

c) The piping engineer

d) The repair organisation

134) Fillet welded lap patches (overlay patches) shall leave:

a) No membrane stresses

b) Right-angle corners

c) Rounded corners

d) Burnished corners

135) Materials used in making welding repairs or alterations __________ be of known weldable quality:

a) May

b) Shall

c) Should

d) Can

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