Millwright - 2nd Year: Basic Joints, Weld
Types and Symbols Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What are the 5 categories of basic 1. Butt joint
joints? 2. Lap joint
3. Corner joint
4. T-joint
5. Edge joint
What are the 4 weld types? 1. Surfacing
2. Plug or slot
3. Fillet
4. Groove
What is a surface weld? When a bead or beads are used to place a
layer of
weld metal over a surface
What is a plug or slot weld? When a bead is made in the opening in
one of the
two plates of a lap joint
What is a fillet weld? A weld found on the end of a lap joint, or in
the
corners of a T-joint or corner joint that
creates a
triangle when viewed in cross section.
, How is the size of a fillet weld By the leg length of the largest equilateral
determined? triangle
that may be dawn within its cross section
What are the 4 variations of a fillet 1. Continuous
weld? 2. Intermittent
3. Chain intermittent
4. Staggered intermittent
What is a groove weld? A weld, typically found on butt joints
How wide should a groove weld As wide as the thickness of material being
be? welded
(throat size).
What are the different types of 1. Square groove
groove welds? 2. Bevel groove
3. V-groove (single-v or double-v)
4. U-groove (single-u or double-u)
5. J-groove (single-j or double-j)
What side of the weld symbol is Left
the
size of the weld placed?
What side of the weld symbol is Right
the
length of the weld placed?
Types and Symbols Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What are the 5 categories of basic 1. Butt joint
joints? 2. Lap joint
3. Corner joint
4. T-joint
5. Edge joint
What are the 4 weld types? 1. Surfacing
2. Plug or slot
3. Fillet
4. Groove
What is a surface weld? When a bead or beads are used to place a
layer of
weld metal over a surface
What is a plug or slot weld? When a bead is made in the opening in
one of the
two plates of a lap joint
What is a fillet weld? A weld found on the end of a lap joint, or in
the
corners of a T-joint or corner joint that
creates a
triangle when viewed in cross section.
, How is the size of a fillet weld By the leg length of the largest equilateral
determined? triangle
that may be dawn within its cross section
What are the 4 variations of a fillet 1. Continuous
weld? 2. Intermittent
3. Chain intermittent
4. Staggered intermittent
What is a groove weld? A weld, typically found on butt joints
How wide should a groove weld As wide as the thickness of material being
be? welded
(throat size).
What are the different types of 1. Square groove
groove welds? 2. Bevel groove
3. V-groove (single-v or double-v)
4. U-groove (single-u or double-u)
5. J-groove (single-j or double-j)
What side of the weld symbol is Left
the
size of the weld placed?
What side of the weld symbol is Right
the
length of the weld placed?