Question

fab 1100

1. what is the purpose of the welding cable in smaw welding equipment?

a) to control the amperage of the welding machine
b) to provide electrical power to the electrode
c) to connect the welding machine to the ground
d) to connect the electrode to the workpiece

1. in smaw welding, what is the term for the space between the electrode and the workpiece?

a) arc gap
b) electrode gap
c) weld gap
d) none of the above

1. which of the following metals is typically not welded using smaw?

a) steel
b) aluminum
c) copper
d) stainless steel

1. when smaw welding, the weld bead should be in the shape of a:

a) convex bead
b) concave bead
c) flat bead
d) none of the above

1. what is the purpose of the ground clamp in smaw welding?

a) to provide electrical power to the electrode
b) to hold the workpiece in place
c) to complete the electrical circuit
d) to control the welding current

1. in smaw welding, what is slag?

a) a type of metal filler material
b) a byproduct of the welding process that must be removed
c) a protective gas used in the welding process
d) a type of welding electrode

Explanation:

1. In SMAW (Shielded Metal Arc Welding), the welding cable provides electrical power to the electrode.
2. The space between the electrode and the workpiece in SMAW is called the arc gap.
3. Aluminum is typically not welded using SMAW due to its oxide layer and high thermal conductivity.
4. The weld bead in SMAW should be convex to ensure proper fusion and strength.
5. The ground clamp in SMAW completes the electrical circuit.
6. Slag in SMAW is a byproduct of the welding process that must be removed.

Answer:

1. B. To provide electrical power to the electrode
2. A. Arc gap
3. B. Aluminum
4. A. Convex bead
5. C. To complete the electrical circuit
6. B. A byproduct of the welding process that must be removed