WorksheetsSMAW Final Review
Total questions: 30
Worksheet time: 3600secs
What does SMAW stand for?
Shielded Metal Arc Welding
B) Solid Metal Arc Welding
C) Submerged Metal Arc Welding
D) Shielded Manual Arc Welding
What is the main function of the flux coating on an SMAW electrode?
A) Increase arc temperature
B) Prevent oxidation and contamination
C) Make the weld bead wider
D) Reduce the amperage requirement
What causes the arc to form in SMAW?
A) Contact between the base metal and electrode
B) Movement of electrons across the air gap
C) High voltage from the machine only
D) Melting of flux coating
Which of the following electrodes is best for deep penetration and fast freezing slag?
A) E6010
B) E7018
C) E7024
D) E6013
he “60” in E6011 indicates what?
A) The tensile strength is 60,000 psi
B) The rod can be used on 60 different metals
C) It requires 60 amps minimum
D) It’s good for 60° weld angles
What does the last two digits in an electrode number (e.g., E7018) generally indicate?
A) Type of flux and current used
B) Tensile strength
C) Metal type
D) Welding position
What is the most common cause of excessive spatter during SMAW?
A) Low arc voltage
B) High amperage
C) Dirty base metal
D) Electrode too long
What is the purpose of the slag in SMAW?
A) To cool the weld faster
B) To protect the molten weld pool from air
C) To make the weld bead shiny
D) To increase penetration
Which of the following best describes "arc length"?
A) Distance between the welder and the machine
B) Distance between the tip of the electrode and the workpiece
C) Distance between weld beads
D) Thickness of the base metal
What happens if your arc length is too long?
A) The weld becomes narrower
B) There is more penetration
C) There is more spatter and poor bead shape
D) The weld cools too fast
Which electrode is commonly used for welding mild steel structures and offers a smooth, clean weld?
A) E6010
B) E6011
C) E6013
D) E7018
What should you do before striking an arc?
A) Dip the electrode in water
B) Clean the metal of rust, oil, or paint
C) Set the machine to maximum current
D) Hold the electrode 2 inches away from the metal
What is the correct way to strike an arc?
A) Tap or scratch the electrode against the workpiece
B) Slam the electrode onto the base metal
C) Hold the electrode still until it sparks
D) Drag the electrode in one spot until it melts
If your weld bead is too flat and wide, what adjustment might help?
A) Increase amperage
B) Decrease amperage
C) Increase travel speed
D) Hold a longer arc
What personal protective equipment (PPE) is most critical for SMAW?
A) Safety glasses and gloves only
B) Welding helmet with proper shade
C) Dust mask
D) Earplugs
What is a common cause of porosity in a weld?
A) Clean base metal
B) Moisture in the electrode coating
C) High amperage
D) Slow travel speed
Which of the following weld defects appears as grooves along the edges of the weld bead?
A) Porosity
B) Crater
C) Undercut
D) Slag inclusion
What does the “1” in E6010 indicate?
A) It can only be used in flat position
B) It can be used in all positions
C) It’s for vertical welds only
D) It has a 1/8” core wire
What should you do if your electrode keeps sticking to the metal?
A) Increase amperage slightly
B) Decrease amperage
C) Move slower
D) Use a larger electrode
Which of the following is a low-hydrogen electrode?
A) E6010
B) E6013
C) E7018
D) E7024
When storing E7018 electrodes, what condition should be avoided?
A) Dry storage
B) Electrode oven over 250°F
C) Humid or damp conditions
D) Vertical storage position
What does a “DCEN” setting mean on a welder?
A) Direct Current Electrode Negative
B) Direct Current Electrode Neutral
C) Dual Current Electrode Negative
D) Dynamic Current Equal Neutral
What is the first step in setting up for SMAW welding?
A) Connect the work clamp to the electrode holder
B) Inspect all equipment and cables for damage
C) Strike an arc to check amperage
D) Clean the base metal
Which piece of equipment controls the welding current?
A) Electrode holder
B) Ground clamp
C) Welding machine
D) Power cord
Before welding begins, the work clamp should be attached to:
A) The wooden welding table only
B) Clean bare metal near the weld area
C) Any painted surface
D) The electrode
Machine powers on but produces no arc. What could be the cause?
A. Wrong rod diameter
B. Broken or disconnected output lead
C. Work clamp is on the left side
D. Clean metal too much
The ground clamp gets extremely hot. What machine-related problem is likely?
A. Ground clamp making poor contact or cable is damaged
B. Electrode is too long
C. Base metal is thin
D. Using AC instead of DC
Arc wanders or becomes unstable. What should be checked first?
A. Work clamp connection
B. Rod storage
C. Bead width
D. Travel speed
The welder shuts off during use and needs time before restarting. What is happening?
A. Electrode is running cold
B. Thermal overload due to overheating
C. Work clamp is too clean
D. You need a larger filler metal.
On multipass welds, what must happen between passes with 7018?
A. Weld must be polished
B. Slag must be removed completely
C. Weld must be quenched
D. Base metal must be reheated to 600°F
