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WorksheetsWEBEX Prep.
Total questions: 26
Worksheet time: 13mins
What are the common hazard(s) that welders face on a regular basis?
Arc radiation
Air contamination
Fires and explosions
All of the above
What does the acronym “SDS” stand for?
American National Standards Institute
Safety Data Sheet
Occupational Safety and Health Administration
Standard Documenting Service
Arc Radiation produces ultra-violet and infrared radiation.
True
False
Which type of fire extinguisher should be used for electrical fires?
A
B
C
D
“Arc Burn” is a condition that leaves your eyes with a hot, gritty, irritating sensation. What type of radiation from arc welding causes this condition?
Nuclear radiation
Infrared radiation
Ultraviolet (UV) radiation
All of the above
Cutting, Heating, Welding, and Brazing are four processes of what?
Oxy-fuel
Submerged Arc
Friction Stir
Self-shielding Flux core
What is/are the only approved tool(s) to be utilized to properly light oxy-fuel systems? Check all that apply.
Hot Weld Puddles
Lighters
Matches
Spark Lighters (including Strikers)
You should never use oxygen in place of compressed air to operate power tools or blow out your work area. True or False?
True
False
What is the maximum pressure you should never exceed when using acetylene and setting the regulator?
20 PSI
15 PSI
10 PSI
5 PSI
What GMAW parameter controls arc length?
Voltage
Wire-feed Speed
Amperage
What drive rolls are suggested when using tubular welding electrodes due to help prevent crushing the electrode?
Smooth
One size larger than the electrode size
Knurled
One size smaller than the electrode size
What welding position is represented by 2F/2G?
Vertical up
Vertical down
Horizontal
Flat
What does a "1" in the welding position designator on a SMAW electrode mean?
That the electrode can be used in all positions
That it can only be used in the flat
That it can only be used in the overhead position
That it can only be used in the horizontal position
When striking an arc with SMAW, the arc length is held for a moment at about two electrode diameters to________.
Preheat the base metal
Light up the area so you can see
Burn off excessive flux
Get a feel for the rod
The width of an SMAW weld bead should be about ________.
One electrode width
Two electrode widths
Three electrode widths
Four electrode widths
At the completion of a weld bead, the crater should be __________.
Cracked
Remain unfilled
Filled to the height of the weld bead
Wider than the weld bead
Which type of fire extinguisher should be used for flammable liquids (grease, oil, paints, solvents)?
A
B
C
D
True or False: A quality weld can be made over dirt, grease, paint, etc. as long as the proper electrode and amperage is used.
True
False
According to the American Welding Society electrode classification, the letter "E" stands for what?
Elasticity
Electrode
Extra Strength
Engineering
The minimum tensile strength for an E6011 electrode is_______ lbs. per square inch.
110,000
6,000
60,000
100,000
The minimum tensile strength for an E11018 is _______ lbs. per square inch.
11,018
110,000
101,000
180,000
The last digit in an electrode designation indicates _______.
The welding position in which the electrode can be used
The type of flux coating and type of current required
The chemical composition of the deposited weld
When the joint fit up is tight and the joint edges are not beveled use a ________.
High deposition electrode
Deep penetrating electrode
Mild penetrating electrode
Which type of fire extinguisher should be used for wood, paper, cloth, etc?
A
B
C
D
Which welding process uses a continuously fed wire electrode and shielding gas?
Oxy-fuel
SMAW (Stick)
Brazing
GMAW (MIG)
Which safety equipment is essential to protect your eyes from arc radiation during welding?
Face shield
Welding helmet with proper filter lens
Dust mask
Safety glasses
