What is the suggested filler metal classification for welding ASTM A131 Grade DH32 steel
with GMAW ? - ANSWER ER70S-X
When fillet welding a 3/8 inch stud in the flat position with an E7018 electrode, what diame-
ter electrode must be used? - ANSWER 3/16 inch
How long does welder certification last per AWS D1.1? - ANSWER indefinitely, unless not
engaged in the process for more than 6 months at a time
With a single electrode for SAW what is the maximum size single pass fillet weld that can be
deposited in the horizontal welding position when using a prequalified procedure - AN-
SWER 5/16
How often are visual examinations required for inspectors under AWS D1.1? - ANSWER
once every 3 years or less, if necessary
When stress relieving a weldment at a temperature of 150F below the minimum specified
temperature, what is the minimum holding time per inch of thickness - ANSWER 10
hours
Steel backing for welds in statically loaded structures - ANSWER Need not to be welded
full length or removed unless specified by the engineer
The maximum weld reinforcement permitted for a welding procedure qualification on pipe
or tubing having a wall thickness of 0.028 inch is: - ANSWER 1/8 inch
1
, What is the difference between the AWS A5.1 and AWS A5.5 specifications - ANSWER
one is for plain carbon steel electrodes and the other one is for low alloy steel electrodes
Tack welds incorporated into SAW welds shall also meet the following - ANSWER all of
the above
For GMAW, which is not considered to be an essential variable for the procedure qualifica-
tion - ANSWER A change of 5% above the mean amperage for each filler metal diameter
used
Which of the following SMAW electrodes is not included in the F2 group? - ANSWER
E6010
How much overlap is allowed on a procedure qualification test coupon? - ANSWER none,
the weld shall merge smoothly with the base metal
What is the maximum root opening for welder qualification testing on CJP tubular butt joints
without backing? - ANSWER 1/8 inch
What is the lowest temperature at which welding can be done without preheating 1/2 inch
thick ASTM A36 carbon steel - ANSWER 32F
What is the classification of a suitable FCAW filler material for joining ASTM A516 Grade 55
steel - ANSWER AWS A5.20
What plate repair is required when a 3/4 inch long laminar discontinuity is discovered in an
oxygen cut edge - ANSWER none, need not be explored
Welding shall not be done when the ambient temperature is: - ANSWER less than 0 F
2
with GMAW ? - ANSWER ER70S-X
When fillet welding a 3/8 inch stud in the flat position with an E7018 electrode, what diame-
ter electrode must be used? - ANSWER 3/16 inch
How long does welder certification last per AWS D1.1? - ANSWER indefinitely, unless not
engaged in the process for more than 6 months at a time
With a single electrode for SAW what is the maximum size single pass fillet weld that can be
deposited in the horizontal welding position when using a prequalified procedure - AN-
SWER 5/16
How often are visual examinations required for inspectors under AWS D1.1? - ANSWER
once every 3 years or less, if necessary
When stress relieving a weldment at a temperature of 150F below the minimum specified
temperature, what is the minimum holding time per inch of thickness - ANSWER 10
hours
Steel backing for welds in statically loaded structures - ANSWER Need not to be welded
full length or removed unless specified by the engineer
The maximum weld reinforcement permitted for a welding procedure qualification on pipe
or tubing having a wall thickness of 0.028 inch is: - ANSWER 1/8 inch
1
, What is the difference between the AWS A5.1 and AWS A5.5 specifications - ANSWER
one is for plain carbon steel electrodes and the other one is for low alloy steel electrodes
Tack welds incorporated into SAW welds shall also meet the following - ANSWER all of
the above
For GMAW, which is not considered to be an essential variable for the procedure qualifica-
tion - ANSWER A change of 5% above the mean amperage for each filler metal diameter
used
Which of the following SMAW electrodes is not included in the F2 group? - ANSWER
E6010
How much overlap is allowed on a procedure qualification test coupon? - ANSWER none,
the weld shall merge smoothly with the base metal
What is the maximum root opening for welder qualification testing on CJP tubular butt joints
without backing? - ANSWER 1/8 inch
What is the lowest temperature at which welding can be done without preheating 1/2 inch
thick ASTM A36 carbon steel - ANSWER 32F
What is the classification of a suitable FCAW filler material for joining ASTM A516 Grade 55
steel - ANSWER AWS A5.20
What plate repair is required when a 3/4 inch long laminar discontinuity is discovered in an
oxygen cut edge - ANSWER none, need not be explored
Welding shall not be done when the ambient temperature is: - ANSWER less than 0 F
2
