ICC WELDING PRACTICE EXAM
QUESTIONS AND ANSWERS GRADED A+
2026
Given, a column is 29 feet long. What is the maximum variation in straightness? -
ANS 0.3625; D1.1 5.23.1
Reference is made to Figure 6.4 in AWS D1.1, 2006. What is the maximum size discontinuity
allowed in 3/4" thick complete penetration groove weld ? - ANS 1-1/16"; D1.1 F6.4(a)
If welding ASTM A913 steel of
thickness exceeding 1 1/2 inches (38 mm)
without use of preheat, what is the
maximum diffusible hydrogen permitted
from the filler metal being used? - ANS 8ml/100g (H8); D1.1 T3.2
For welding structural steel under AWS
D1.1, which welding process does not
require qualification testing? - ANS SMAW, SAW, GMAC (not -S), FCAW; D1.1 3.2.1
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
,Given: two pieces of 1/4 inch flat bar is
to be connected with a lap joint. What is
the minimum overlap of material in this
stress-carrying lap joint? - ANS 1-1/4"; D1.1 2.8.1.2
The specified depth of a welded girder
is 36 inches. What is the maximum depth
of this member? - ANS 36-1/8"; D1.1 5.23.9
For welding reinforcing steel, a welder
qualified using #8 (#25) bar, is qualified
to weld reinforcing bars - ANS #8 and up; D1.4 6.3.2.2
What is the maximum SMAW
electrode diameter when welding in the
vertical or overhead position, if the WPS
is to be prequalified? - ANS 3/16"; D1.1 T3.7
When welding sheet steel, the permitted
length of undercut of an arc spot weld of 1
inch diameter (25 mm) is - ANS pi/8 or 0.39; D1.3 6.1.1.4
Reference is made to a CJP Groove
Weld column splice (in compression) on
material with a minimum tensile strength
of 70 ksi. What is the minimum filler
metal tensile strength required for this
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
, application? - ANS 10 ksi less than matching filler metal=60 ksi?; D1.1 T2.3
Reference is made to a CJP Groove
Weld column splice (in compression) on
material with a minimum tensile strength
of 70 ksi. What is the minimum filler
metal tensile strength required for this
application? - ANS 10 ksi less than matching filler metal=60 ksi?; D1.1 T2.3
For a welded built-up beam with a
specified depth of 10 inches (250 mm),
what is the acceptable range of actual
depths following completion of welding? - ANS 10 +/- 1/8; D1.1 5.23.9
Submerged arc welding flux received
in damaged packaging must be discarded
or dried under what conditions? - ANS Minimum temperature of 500F for 1 hr before use;
5.3.3.2
Nondestructive testing is required on a
particular long complete penetration
groove weld in a welded subassembly.
The design professional has determined
that spot testing of this weldment will be
sufficient. What is the minimum length of
each spot test? - ANS At least 1 in a 4"; D1.1 6.15.3
What is the effective area of a 1 inches
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
3
QUESTIONS AND ANSWERS GRADED A+
2026
Given, a column is 29 feet long. What is the maximum variation in straightness? -
ANS 0.3625; D1.1 5.23.1
Reference is made to Figure 6.4 in AWS D1.1, 2006. What is the maximum size discontinuity
allowed in 3/4" thick complete penetration groove weld ? - ANS 1-1/16"; D1.1 F6.4(a)
If welding ASTM A913 steel of
thickness exceeding 1 1/2 inches (38 mm)
without use of preheat, what is the
maximum diffusible hydrogen permitted
from the filler metal being used? - ANS 8ml/100g (H8); D1.1 T3.2
For welding structural steel under AWS
D1.1, which welding process does not
require qualification testing? - ANS SMAW, SAW, GMAC (not -S), FCAW; D1.1 3.2.1
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
,Given: two pieces of 1/4 inch flat bar is
to be connected with a lap joint. What is
the minimum overlap of material in this
stress-carrying lap joint? - ANS 1-1/4"; D1.1 2.8.1.2
The specified depth of a welded girder
is 36 inches. What is the maximum depth
of this member? - ANS 36-1/8"; D1.1 5.23.9
For welding reinforcing steel, a welder
qualified using #8 (#25) bar, is qualified
to weld reinforcing bars - ANS #8 and up; D1.4 6.3.2.2
What is the maximum SMAW
electrode diameter when welding in the
vertical or overhead position, if the WPS
is to be prequalified? - ANS 3/16"; D1.1 T3.7
When welding sheet steel, the permitted
length of undercut of an arc spot weld of 1
inch diameter (25 mm) is - ANS pi/8 or 0.39; D1.3 6.1.1.4
Reference is made to a CJP Groove
Weld column splice (in compression) on
material with a minimum tensile strength
of 70 ksi. What is the minimum filler
metal tensile strength required for this
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
, application? - ANS 10 ksi less than matching filler metal=60 ksi?; D1.1 T2.3
Reference is made to a CJP Groove
Weld column splice (in compression) on
material with a minimum tensile strength
of 70 ksi. What is the minimum filler
metal tensile strength required for this
application? - ANS 10 ksi less than matching filler metal=60 ksi?; D1.1 T2.3
For a welded built-up beam with a
specified depth of 10 inches (250 mm),
what is the acceptable range of actual
depths following completion of welding? - ANS 10 +/- 1/8; D1.1 5.23.9
Submerged arc welding flux received
in damaged packaging must be discarded
or dried under what conditions? - ANS Minimum temperature of 500F for 1 hr before use;
5.3.3.2
Nondestructive testing is required on a
particular long complete penetration
groove weld in a welded subassembly.
The design professional has determined
that spot testing of this weldment will be
sufficient. What is the minimum length of
each spot test? - ANS At least 1 in a 4"; D1.1 6.15.3
What is the effective area of a 1 inches
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
3
