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