QUESTIONS WITH ANSWERS GRADED A+
✔✔For G40.21, 700QT steel 42 mm thick, the maximum preheat and interpass
temperature shall not exceed: - ✔✔230°C
✔✔The hole-type image quality indicator (IQI) designation, film side, required
for ASTM A517M steel plate, 12 mm thick: - ✔✔12
✔✔Extension bars, run-off plates and backing, shall be of the same material as the
base material, for the welding of steels with a minimum specified tensile
strength of: - ✔✔>480MPa
✔✔To establish appropriate safety and health practices and to determine the
applicability of regulatory limitations prior to use, it is the responsibility of: - ✔✔the user
of this standard
(W59)
✔✔The filler metal for exposed bare applications of CSA 040.21-ASTM A 242
Steel, for application to cyclically loaded structures, deposited weld metal shall have a
minimum Charpy-V-Notch impact energy of: - ✔✔27 J at -20°C
✔✔The minimum effective length of a fillet weld shall be ________the size of the fillet,
whichever is greater. - ✔✔mm or 4 times
✔✔The maximum permissible undercut permitted in a G40.21 ASTM A242 steel
with a thickness of 25 mm with no calculated stress is: - ✔✔1.6 mm
✔✔The maximum root opening that may be neglected in materials joined by fillet welds
shall be less than: - ✔✔2.0 mm
✔✔The dept of filling of a plug weld in 20 mm material shall be: - ✔✔16 mm
✔✔For ultrasonic examination of welds, thick layers of paint need not be
removed unless the thickness exceeds: - ✔✔25 mm
✔✔A welder is being tested for the S classification with the SMAW process in the flat
position. The test assembly used for this test is 10 mm thick and has a backing
bar.What is the maximum one-pass fillet weld that may be deposited during the test? -
✔✔8 mm (5/16
✔✔The welding supervisor, as defined in CSA Standard W47.1, has certain
, responsibilities. Which of the following can be considered as the responsibility of the
welding supervisor? - ✔✔Ensuring that qualified welding personnel weld in accordance
with approved welding procedures in the shop and field.
✔✔A groove weld with an inclination of axis between 15 º and 80 º and rotation of face
of 80 º to 280 º is considered to be in which position? - ✔✔Vertical
✔✔What is a pre-qualified joint? - ✔✔A joint specified in a governing code or standard-
that does not require validation of welding parameters through the performance of
procedure test.
✔✔A welder who successfully completes a qualification test for arc spot welding of
decking is issued what type of qualification? - ✔✔A transferable identification card that
is valid for 2 years
✔✔lt cannot be used to approve products - ✔✔True
✔✔if there is a reason to doubt the welder's ability to perform in accordance with his/her
.
class.... qualification, the Bureau may: - ✔✔Check test the welder in the position and
class held.
✔✔A welding operator's qualification is valid for how long? - ✔✔2 years
✔✔ CSA Standard W59 covers the welding requirements for what type of steel
construction? - ✔✔The welding requirements of CSA Standard W59 can be applied to
carbon and low-alloy welded steel
✔✔What types of structures are covered in CSA Standard W59? - ✔✔CSA Standard
W59 covers statically- and cyclically-loaded (repetitive loading) structures.
✔✔What is a low-hydrogen electrode? - ✔✔A low-hydrogen electrode is an electrode
that deposits weld metal with a specified maximum limit of diffusible hydrogen.
✔✔What are the requirements for contractor certification? - ✔✔When mandated in the
contract or in the governing design Standard*, all Contractors performing work under
this Standard must be certified to CSA W47.1 for welded fabrications.
✔✔What welding processes are covered in CSA Standard W59? - ✔✔This standard
covers the SMAW, GMAW, GTAW, MCAW, FCAW, SAW, ESW, EGW and SW
processes.
✔✔Does CSA Standard W59 specify requirements for stud welding? - ✔✔Yes, Clause 6
has requirements for stud welding.