WELDING EXAM QUESTIONS AND ANSWERS
If the electrode freezes to the work: - Answers -Turn the welding machine off
immediately
The proper length of arc may be judged by: - Answers -The sound of the arc.
The appearance of the arc.
The appearance of the weld.
All of the above. Correct
If the electrode is moved too fast when arc welding: - Answers -Not enough metal will
be deposited.
Which of the following is not a recognized welding position? - Answers -Diagonal
Flux is a chemical compound used to prevent the: - Answers -Formation of an oxide on
the metal.
Straight polarity is when: - Answers -Work is positive and the electrode is negative.
A second pass should never be done if: - Answers -The slag from the first pass has not
been removed
The tensile strength of an E-7018 electrode is _______ pounds psi. - Answers -70,000
Porosity describes the condition of: - Answers -Gas pockets and voids in the metal.
Mild steel is considered to have: - Answers -medium carbon content
The duty cycle of an arc welder refers to the: - Answers -Continuous operating time in a
ten minute period.
Which element in steel is most undesirable for welding? - Answers -Sulfur
Which of the following is considered a fast freeze, deep penetrating, all purpose
electrode? - Answers -E-6011
Beveling is often used on very _______ metals. - Answers -Thick
Arc blow is caused by: - Answers -magnetic forces
To stop arc blow from occurring you should: - Answers -Turn off the machine, remove
the ground clamp momentarily
then clamp it back on.
, What is the correct arc length when welding in the flat position? - Answers -The width of
the uncoated end of the electrode.
A chill plate is used to: - Answers -Absorb excessive heat from the welding process
The output of a welding machine is relatively: - Answers -Low voltage and high
amperage
Placing a small weld at each end of a joint is called: - Answers -Tack welding
Eye hazards found in welding operations include: - Answers -a. Flyingparticles
b. Radiation
c. Smoke and fumes
D. All OF THE ABOVE
Protective equipment not suitable for eye protection from welding radiation includes: -
Answers -Clear safety goggles
Which of the following gases can be used as shielding gases for GMAW? - Answers -a.
Carbondioxide
b. Argon-oxygen
c. Argon
D. ALL OF THE ABOVE
In a completed weld, the term for the junction between the weld face and the base metal
is: - Answers -Toe
Endurance limit is an expression used for what type of testing? - Answers -Fatigue
The ability of a metal to absorb energy is called: - Answers -toughness
Which alloying element is generally considered to have the most pronounced effect on
the properties and performance of carbon steel? - Answers -Carbon
Which alloying element is commonly added to steel to improve its corrosion resistance?
- Answers -Chromium
Hydrogen in the molten weld metal can cause: - Answers -Porosity
The point at which a metal's behavior changes from elastic to plastic (onset of
permanent deformation) is referred to as: - Answers -Yield strength
The family of hardness tests that uses both a minor and major load is called: - Answers
-Rockwell
Stainless steels are defined as having at least what percent chromium? - Answers -12%
If the electrode freezes to the work: - Answers -Turn the welding machine off
immediately
The proper length of arc may be judged by: - Answers -The sound of the arc.
The appearance of the arc.
The appearance of the weld.
All of the above. Correct
If the electrode is moved too fast when arc welding: - Answers -Not enough metal will
be deposited.
Which of the following is not a recognized welding position? - Answers -Diagonal
Flux is a chemical compound used to prevent the: - Answers -Formation of an oxide on
the metal.
Straight polarity is when: - Answers -Work is positive and the electrode is negative.
A second pass should never be done if: - Answers -The slag from the first pass has not
been removed
The tensile strength of an E-7018 electrode is _______ pounds psi. - Answers -70,000
Porosity describes the condition of: - Answers -Gas pockets and voids in the metal.
Mild steel is considered to have: - Answers -medium carbon content
The duty cycle of an arc welder refers to the: - Answers -Continuous operating time in a
ten minute period.
Which element in steel is most undesirable for welding? - Answers -Sulfur
Which of the following is considered a fast freeze, deep penetrating, all purpose
electrode? - Answers -E-6011
Beveling is often used on very _______ metals. - Answers -Thick
Arc blow is caused by: - Answers -magnetic forces
To stop arc blow from occurring you should: - Answers -Turn off the machine, remove
the ground clamp momentarily
then clamp it back on.
, What is the correct arc length when welding in the flat position? - Answers -The width of
the uncoated end of the electrode.
A chill plate is used to: - Answers -Absorb excessive heat from the welding process
The output of a welding machine is relatively: - Answers -Low voltage and high
amperage
Placing a small weld at each end of a joint is called: - Answers -Tack welding
Eye hazards found in welding operations include: - Answers -a. Flyingparticles
b. Radiation
c. Smoke and fumes
D. All OF THE ABOVE
Protective equipment not suitable for eye protection from welding radiation includes: -
Answers -Clear safety goggles
Which of the following gases can be used as shielding gases for GMAW? - Answers -a.
Carbondioxide
b. Argon-oxygen
c. Argon
D. ALL OF THE ABOVE
In a completed weld, the term for the junction between the weld face and the base metal
is: - Answers -Toe
Endurance limit is an expression used for what type of testing? - Answers -Fatigue
The ability of a metal to absorb energy is called: - Answers -toughness
Which alloying element is generally considered to have the most pronounced effect on
the properties and performance of carbon steel? - Answers -Carbon
Which alloying element is commonly added to steel to improve its corrosion resistance?
- Answers -Chromium
Hydrogen in the molten weld metal can cause: - Answers -Porosity
The point at which a metal's behavior changes from elastic to plastic (onset of
permanent deformation) is referred to as: - Answers -Yield strength
The family of hardness tests that uses both a minor and major load is called: - Answers
-Rockwell
Stainless steels are defined as having at least what percent chromium? - Answers -12%