CWI Part C Practice Questions with
Complete Solutions
The length of a slot to be welded shall not exceed:
ten times the thickness of the part
2 1/4 times the thickness of the part
ten times the depth of the weld
the width of the slot plus 1/8" Correct Answ_ten times the thickness of the part
Which of the following shall be shown on the plans of complete details?
location
type
size Correct Answ_location
type
size
In regard to lap joints carrying stress, the minimum amount of lap shall be five times the
thickness of the thinner part joined but not less than:
the thickness of the part
,the size of the weld
5"
1" Correct Answ_1"
The minimum depth of filling of a slot weld in base metal 1" thick shall be:
1/2"
5/8"
3/4"
1" Correct Answ_5/8"
Side or end returns for fillet welds shall be returned continuously around a corner for a distance
of:
2"
1"
2 to 4 times the size of the weld
a distance of the size of the weld Correct Answ_2 to 4 times the size of the weld
,T-joints in which the angle between joined parts is _____ greater than 100° or less than 80° shall
be defined as skewed T-joints.
greater than 110° or less than 70°
greater than 100° or less than 80°
less than 100° or greater than 80°
none of the above Correct Answ_less than 100° or greater than 80°
In built-up tension members, the longitudinal spacing of stitch welds connecting a plate
component to other components, or connecting two plate components to each other, shall not
exceed 12" or _______ times the thickness of the thinner plate.
10
20
24
30 Correct Answ_24
When weld access holes are required, they shall be sized to provide clearances necessary
______.
a minimum radius of 1 ½'
and approved by the welder foreman
, and maintain the axial tension parameter of the electrode used
for deposition of sound weld metal Correct Answ_for deposition of sound weld metal
In compression members the longitudinal spacing of stitch welds connecting two plate
components or a plate component to other components shall not exceed 24 times the thickness of
the thinner plate or:
16"
10"
6"
12" Correct Answ_12"
The minimum length of an intermittent fillet weld shall be:
1"
3"
1 1/2"
3/4" Correct Answ_1 1/2"
The effective length of any segment of intermittent fillet weld shall not be less than
___________.
Complete Solutions
The length of a slot to be welded shall not exceed:
ten times the thickness of the part
2 1/4 times the thickness of the part
ten times the depth of the weld
the width of the slot plus 1/8" Correct Answ_ten times the thickness of the part
Which of the following shall be shown on the plans of complete details?
location
type
size Correct Answ_location
type
size
In regard to lap joints carrying stress, the minimum amount of lap shall be five times the
thickness of the thinner part joined but not less than:
the thickness of the part
,the size of the weld
5"
1" Correct Answ_1"
The minimum depth of filling of a slot weld in base metal 1" thick shall be:
1/2"
5/8"
3/4"
1" Correct Answ_5/8"
Side or end returns for fillet welds shall be returned continuously around a corner for a distance
of:
2"
1"
2 to 4 times the size of the weld
a distance of the size of the weld Correct Answ_2 to 4 times the size of the weld
,T-joints in which the angle between joined parts is _____ greater than 100° or less than 80° shall
be defined as skewed T-joints.
greater than 110° or less than 70°
greater than 100° or less than 80°
less than 100° or greater than 80°
none of the above Correct Answ_less than 100° or greater than 80°
In built-up tension members, the longitudinal spacing of stitch welds connecting a plate
component to other components, or connecting two plate components to each other, shall not
exceed 12" or _______ times the thickness of the thinner plate.
10
20
24
30 Correct Answ_24
When weld access holes are required, they shall be sized to provide clearances necessary
______.
a minimum radius of 1 ½'
and approved by the welder foreman
, and maintain the axial tension parameter of the electrode used
for deposition of sound weld metal Correct Answ_for deposition of sound weld metal
In compression members the longitudinal spacing of stitch welds connecting two plate
components or a plate component to other components shall not exceed 24 times the thickness of
the thinner plate or:
16"
10"
6"
12" Correct Answ_12"
The minimum length of an intermittent fillet weld shall be:
1"
3"
1 1/2"
3/4" Correct Answ_1 1/2"
The effective length of any segment of intermittent fillet weld shall not be less than
___________.
