Welding exam Questions & Answers
Which of the following does not describe the actions in a movable coil
transformer? - -Moving the primary coil toward the secondary coil decreases
current output
- What information is obtained from the first two or three digits of an AWS
electrode classification number? - -The tensile strength of the electrode
- The _______ is revealed by the last two digits of the AWS electrode
classification number - -All the above
- The suggested welding position for an electrode is indicated by the ______
digit from the AWS electrode classification - -2nd
- A number _______ filter lens is recommended for SMAW - -10-14
- A "dropper" is a(n) ______ arc welding machine - -constant current
- A DCEP electrode has the same direction of flow as an electrode with a
______ designated - -DCRP
- What duty cycle is recommended for a welding machine that is to be used
with automatic or semiautomatic welding? - -100%
- Which of the following is not a power source used for welding? - -Hybrid
- Which of the following is not part of the minimum information needed to
describe an arc welding power source? - -Weight of transformer
- Which of the following is not a type of ground clamp? - -Double-insulated
thermoplastic clamp
- SMAW and GMAW use constant current arc welding machines - -False
- One advantage of a constant current arc welder is that a large percentage
change in voltage results in a small percentage change in amperage - -True
- An inverter- type power source is a variation of a transformer-rectifier
welding machine - -True
- A manual arc welder would normally prefer a flatter, constant current
output slope when welding in the horizontal, vertical, or overhead position -
-True
Which of the following does not describe the actions in a movable coil
transformer? - -Moving the primary coil toward the secondary coil decreases
current output
- What information is obtained from the first two or three digits of an AWS
electrode classification number? - -The tensile strength of the electrode
- The _______ is revealed by the last two digits of the AWS electrode
classification number - -All the above
- The suggested welding position for an electrode is indicated by the ______
digit from the AWS electrode classification - -2nd
- A number _______ filter lens is recommended for SMAW - -10-14
- A "dropper" is a(n) ______ arc welding machine - -constant current
- A DCEP electrode has the same direction of flow as an electrode with a
______ designated - -DCRP
- What duty cycle is recommended for a welding machine that is to be used
with automatic or semiautomatic welding? - -100%
- Which of the following is not a power source used for welding? - -Hybrid
- Which of the following is not part of the minimum information needed to
describe an arc welding power source? - -Weight of transformer
- Which of the following is not a type of ground clamp? - -Double-insulated
thermoplastic clamp
- SMAW and GMAW use constant current arc welding machines - -False
- One advantage of a constant current arc welder is that a large percentage
change in voltage results in a small percentage change in amperage - -True
- An inverter- type power source is a variation of a transformer-rectifier
welding machine - -True
- A manual arc welder would normally prefer a flatter, constant current
output slope when welding in the horizontal, vertical, or overhead position -
-True
