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Welding Joints

True/False
Indicate whether the statement is true or false.
 

 1. 

The four basic welding positions are flat, horizontal, vertical, and overhead.
 

 2. 

Weld joint design is influenced by the cost of preparing the joint.
 

 3. 

Joint penetration includes the weld reinforcement measurement.
 

 4. 

A fillet is one of the five basic weld joints.
 

 5. 

A square groove butt joint does not require edge preparation.
 

 6. 

A double fillet lap joint is welded on one side.
 

 7. 

A single-V groove butt joint is used on plate from 3/8² to 3/4² thick.
 

 8. 

For joint efficiency in a lap joint, an overlap greater than three times the thickness of the thinnest member is recommended.
 

 9. 

Welding in overhead position is easier to learn than welding in flat position.
 

 10. 

Proper fit-up ensures that joint members are in correct alignment, have the correct edge preparation, and have the required root opening for proper penetration and sufficient weld reinforcement.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 11. 

___ must be considered when selecting a weld joint.
a.
Direction of the load
b.
Whether a load is a steady, impact, variable, or static load
c.
Whether a load is in tension or compression and if bending, fatigue, or impact stresses will be encountered
d.
all of the above
 

 12. 

___ is not a welding position.
a.
Full-open
b.
Flat
c.
Horizontal
d.
Vertical
 

 13. 

The exposed surface of the weld bounded by the weld toes is the weld ___.
a.
foot
b.
hand
c.
face
d.
root
 

 14. 

The ___ is the portion of a weld joint where joint members are the closest.
a.
actual throat
b.
joint root
c.
weld face
d.
weld toe
 

 15. 

The shortest distance from the face of a fillet weld to the weld root is the ___.
a.
read distance
b.
joint root
c.
weld hand
d.
actual throat
 

 16. 

The weld ___ is the distance from the joint root to the weld toe.
a.
leg
b.
overlay
c.
joint
d.
distance
 

 17. 

The ___ is the distance between joint members at the joint root before welding.
a.
read distance
b.
weld hand
c.
joint face
d.
root opening
 

 18. 

The ___ metal is the metal or alloy that is to be welded.
a.
top
b.
crown
c.
base
d.
head
 

 19. 

A pipe weld requires a ___° groove angle.
a.
90
b.
75
c.
50
d.
30
 

 20. 

A ___ weld is a resistance weld produced by the heat obtained from the resistance to the flow of welding current.
a.
back
b.
projection
c.
spot and seam
d.
stud
 



 
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