Welding block 2 Exam UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Temperature of SMAF - CORRECT ANSWER 6500-7000
Not a type of DC welding machine - CORRECT ANSWER Motor or engine driven DC
generator with an AC rectifier
No-load voltage in a DC arc welding circuit is_____volts - CORRECT ANSWER 60-
80
Results of a person receives an arc flash - CORRECT ANSWER All are correct
The weave bead width should be _____ the diameter of the electrode being used - CORRECT
ANSWER No wider than 6 times
A whip and pause technique is used to ____ - CORRECT ANSWER Allow the weld
time to cool
Arc must be Restarted or struck - CORRECT ANSWER About 3/8" (10mm)
Undercut in a horizontal inside corner joint usually is a ______. - CORRECT
ANSWER depression along the upper edge of the weld on the vertical piece
DC arc has tendency to blow - CORRECT ANSWER Toward the beginning of the joint
Gravity causes the metal in the arc to fall - CORRECT ANSWER Decrease the arc gap
slightly
, Undercutting in a horizontal fillet weld can be prevented by - CORRECT
ANSWER Increasing the welding speed
Not an advantage of an AC arc welding machine - CORRECT ANSWER Out of
position welds have less weld splatter
Length of a 3/32 electrode - CORRECT ANSWER 3/32
Connections at the work or electrode holder are loose - CORRECT ANSWER False
A stringer bead width should be 2 to 3 times the electrode diameter - CORRECT
ANSWER True
The horizontal position is the best position in which to weld any joint - CORRECT
ANSWER False
The welding machine must always be turned off - CORRECT ANSWER True
it is not always necessary to remove slag between beads - CORRECT ANSWER False
Ac circuit virtually eliminates arc blow - CORRECT ANSWER True
A drag travel angle should always be used - CORRECT ANSWER True
Ventilation system are not required - CORRECT ANSWER False
A welder can receive a burn comparable to sunburn - CORRECT ANSWER True
Move the electrode to the front edge of the weld pool - CORRECT ANSWER False
ACTUAL QUESTIONS AND CORRECT
ANSWERS
Temperature of SMAF - CORRECT ANSWER 6500-7000
Not a type of DC welding machine - CORRECT ANSWER Motor or engine driven DC
generator with an AC rectifier
No-load voltage in a DC arc welding circuit is_____volts - CORRECT ANSWER 60-
80
Results of a person receives an arc flash - CORRECT ANSWER All are correct
The weave bead width should be _____ the diameter of the electrode being used - CORRECT
ANSWER No wider than 6 times
A whip and pause technique is used to ____ - CORRECT ANSWER Allow the weld
time to cool
Arc must be Restarted or struck - CORRECT ANSWER About 3/8" (10mm)
Undercut in a horizontal inside corner joint usually is a ______. - CORRECT
ANSWER depression along the upper edge of the weld on the vertical piece
DC arc has tendency to blow - CORRECT ANSWER Toward the beginning of the joint
Gravity causes the metal in the arc to fall - CORRECT ANSWER Decrease the arc gap
slightly
, Undercutting in a horizontal fillet weld can be prevented by - CORRECT
ANSWER Increasing the welding speed
Not an advantage of an AC arc welding machine - CORRECT ANSWER Out of
position welds have less weld splatter
Length of a 3/32 electrode - CORRECT ANSWER 3/32
Connections at the work or electrode holder are loose - CORRECT ANSWER False
A stringer bead width should be 2 to 3 times the electrode diameter - CORRECT
ANSWER True
The horizontal position is the best position in which to weld any joint - CORRECT
ANSWER False
The welding machine must always be turned off - CORRECT ANSWER True
it is not always necessary to remove slag between beads - CORRECT ANSWER False
Ac circuit virtually eliminates arc blow - CORRECT ANSWER True
A drag travel angle should always be used - CORRECT ANSWER True
Ventilation system are not required - CORRECT ANSWER False
A welder can receive a burn comparable to sunburn - CORRECT ANSWER True
Move the electrode to the front edge of the weld pool - CORRECT ANSWER False
