Exam 3: Shielded Metal Arc Equipment, Setup, and Operation

In alternators the welding current is produced on the ____.

In a standard welding transformer, the size of the iron core is determined by ____.

In generators the welding current is produced on the ____.

Explain how a welding transformer works.

The terms welding cables and ____________________ mean the same thing.

____________________ is a measure of electric pressure.

A 60% duty cycle means that the machine can be used a total of ____ minutes out of every ten minutes at the maximum rated current.

____ can cause an arc to move during a weld.

____ controls the maximum gap the electrons can jump to form the arc.

​SMAW is a widely used welding process because of its ___________________.

​Why is it important to keep portable welders properly tuned?

The positive side of an electrode arc is called a(n) ____________________.

Open circuit voltage ____.

Explain how an alternating welding current can be converted to a direct current.

The shielded metal arc welding machine's voltage output ____ as its current ____.

Welding cables should ____.

​Portable welders often have _____ or ______ plug outlets.

​The quantity of heat in a material is a function of both ________ and ________.

Give an overview of the process of shielded metal arc welding.

____ is a measurement of the amount of electrical energy or power in the arc.