Millwright - 2nd Year - Electric Arc Welding
Exam Questions and Answers with Verified
Solutions | Latest Updated 2026
What 2 types of front are available Fixed and flip
for welding helmets?
How do lenses protect your eyes? By absorbing ultraviolet, infrared and
visible light
What materials should face Plastic, never glass
protection be made of?
How are welding lenses Numbers 9 through 12 and 14
designated?
When determining the appropriate The darkest shade first
shade of welding lens, where
should
you start?
What should be worn with flash Face shield
glasses when welding?
What are some conditions that 1. High temperature
may 2. High humidity
contribute to the risk of electric 3. Damp clothing
shock? 4. Working in wet conditions
, What are the two classifications of 1. Constant Current
welding machines? 2. Constant Voltage
How does a constant current Maintains a set amperage but varies the
machine work? voltage
How does a constant voltage Maintains a set voltage but varies the
machine work? amperage
What type of welding machine Constant Current
classification does a Shielded
metal
arc welding (SMAW) machine fall
under?
What type of welding machine Constant Voltage
classification does a Gas metal arc
welding (GMAW) machine fall
under?
What are the 3 types constant 1. Transformers
current power sources? 2. inverters
3. Generators
What does an inverter do? It rectifies incoming AC to DC, Inverts DC
to high
frequency AC, and rectifies high frequency
AC to
DC for smooth welding
Exam Questions and Answers with Verified
Solutions | Latest Updated 2026
What 2 types of front are available Fixed and flip
for welding helmets?
How do lenses protect your eyes? By absorbing ultraviolet, infrared and
visible light
What materials should face Plastic, never glass
protection be made of?
How are welding lenses Numbers 9 through 12 and 14
designated?
When determining the appropriate The darkest shade first
shade of welding lens, where
should
you start?
What should be worn with flash Face shield
glasses when welding?
What are some conditions that 1. High temperature
may 2. High humidity
contribute to the risk of electric 3. Damp clothing
shock? 4. Working in wet conditions
, What are the two classifications of 1. Constant Current
welding machines? 2. Constant Voltage
How does a constant current Maintains a set amperage but varies the
machine work? voltage
How does a constant voltage Maintains a set voltage but varies the
machine work? amperage
What type of welding machine Constant Current
classification does a Shielded
metal
arc welding (SMAW) machine fall
under?
What type of welding machine Constant Voltage
classification does a Gas metal arc
welding (GMAW) machine fall
under?
What are the 3 types constant 1. Transformers
current power sources? 2. inverters
3. Generators
What does an inverter do? It rectifies incoming AC to DC, Inverts DC
to high
frequency AC, and rectifies high frequency
AC to
DC for smooth welding
