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AG MECH EXAM
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Exam of 5 pages for the course AG MECH at AG MECH (AG MECH EXAM ...)
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AG MECH EXAM 2024-2025In DC electrode positive, how much power is at the work clamp? - ANSWER 1/3
Constant voltage is NOT used for which of the following welding processes? -
ANSWER Gas tungsten arc welding
In alternating current, how often does the current alternate between negative and
positive? - ANSWER 120 times per second
Shielded metal arc welding is more commonly known as which of the following? -
ANSWER Stick welding
What is the energy used to strike an arc called? - ANSWER voltage
For DC electrode positive, which piece of equipment is negatively charged -
ANSWER work lead cable
For an AC machine, what percentage of power is at the negative terminal? -
ANSWER 50 precent
What is the function of the work clamp during shielded metal arc welding? -
ANSWER complete electrical circuit
How is the electrode holder rated? - ANSWER Amperage capacity
What is the main cause for electrical shock in the shielded metal arc welding
process? - ANSWER worn cables
What components on the electrode holder are important to keep the electric current
from coming into contact with other work surfaces? - ANSWER Insulators
For DC electrode positive, or reverse polarity, you will have a negative work cable
and what type of electrode? - ANSWER positive
What is the process for changing the polarity on a DC machine? - ANSWER
change the location of the cables
Where do you change the settings on a multi-process machine? - ANSWER front
panels
, How do you change the current on an AC machine? - ANSWER current does not
change
What does WPS stand for? - ANSWER Welding Procedure Specification
What is the minimum tensile strength of an E6010 electrode? - ANSWER 60,000
Which of the following is NOT a factor in electrode selection? - ANSWER outside
temp.
Low hydrogen electrodes should be kept in an oven at a temperature above the
boiling point of which of the following? - ANSWER water
In the electrode number 6010 what does the 1 represent? - ANSWER position the
electrode an be used in
If a WPS calls for preheating to 225°F (107°C), which temperature indicating
crayon would be used? - ANSWER 300
Wire brushes can remove all of the following EXCEPT? - ANSWER metal
Sanding discs are used to create which of the following? - ANSWER smooth
surfaces
Which of the following is NOT a recommended piece of safety equipment to use
when grinding metal? - ANSWER knee pads
Which tool is commonly used to clean base metal before starting to weld? -
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