WorksheetsVocabulary Chapter 10
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
1. What term describes the distance from the contact tip to the end of the welding wire?
a)
A. Deposition efficiency
b)
B. Electrode extension (stickout)
c)
C. Pinch effect
d)
D. Transition current
2.
2. Which metal transfer mode produces a smooth stream of small droplets across the arc?
a)
A. Short-circuiting transfer
b)
B. Globular transfer
c)
C. Axial spray metal transfer
d)
D. Buried-arc transfer
3.
3. What metal transfer mode occurs when the wire repeatedly touches the weld pool?
a)
A. Pulsed-arc metal transfer
b)
B. Spray metal transfer
c)
C. Short-circuiting transfer
d)
D. Globular transfer
4.
4. Which term describes the percentage of melted wire that actually becomes part of the weld?
a)
A. Pinch effect
b)
B. Deposition efficiency
c)
C. Slope
d)
D. Synergic systems
5.
5. What causes molten metal to separate from the wire due to electromagnetic force?
a)
A. Buried arc
b)
B. Transition current
c)
C. Pinch effect
d)
D. Electrode extension
6.
6. Which transfer mode produces large, irregular droplets that fall into the weld pool?
a)
A. Axial spray metal transfer
b)
B. Globular transfer
c)
C. Short-circuiting transfer
d)
D. Pulsed-arc metal transfer
7.
7. What type of transfer uses current pulses to control droplet formation?
a)
A. Buried-arc transfer
b)
B. Short-circuiting transfer
c)
C. Pulsed-arc metal transfer
d)
D. Globular transfer
8.
8. What term describes a welding arc that operates below the surface of the molten weld pool?
a)
A. Buried arc
b)
B. Axial spray transfer
c)
C. Short-circuiting transfer
d)
D. Pinch effect
9.
9. What is the minimum current level required for spray transfer to occur?
a)
A. Pinch current
b)
B. Synergic current
c)
C. Transition current
d)
D. Deposition current
10.
10. What welding system automatically adjusts voltage when wire-feed speed is changed?
a)
A. Buried-arc system
b)
B. Synergic system
c)
C. Manual system
d)
D. Constant-current system
11.
11. What term refers to the relationship between voltage and current in a welding power source?
a)
A. Deposition efficiency
b)
B. Slope
c)
C. Transition current
d)
D. Electrode extension
12.
12. Which transfer mode generally produces the most spatter?
a)
A. Axial spray transfer
b)
B. Pulsed-arc transfer
c)
C. Globular transfer
d)
D. Buried-arc transfer
13.
13. Which transfer mode is best suited for thin materials and out-of-position welding?
a)
A. Axial spray transfer
b)
B. Buried-arc transfer
c)
C. Short-circuiting transfer
d)
D. Globular transfer
14.
14. What happens when electrode extension is increased?
a)
A. Arc voltage increases
b)
B. Wire melting rate decreases
c)
C. Electrical resistance heating increases
d)
D. Deposition efficiency decreases
15.
15. Which transfer mode combines low spatter with good penetration control?
a)
A. Globular transfer
b)
B. Pulsed-arc metal transfer
c)
C. Short-circuiting transfer
d)
D. Buried-arc transfer
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