SMAW

Question 1

SMAW

Answer 1

Shielded metal arc welding

Question 2

SMAW - Shielded metal

Answer 2

Flux coating on electrodes that protects it while you see welding

Question 3

SMAW - Arc

Answer 3

Not fuel gas but electric arc. Electrons flowing from base material and jumping to another.

Question 4

AC current

Answer 4

Alternating current
Operates at 60 cycles per second (60 forward AND back movements)
Changes direction 120 times per second

Question 5

Cycle

Answer 5

A set of repeating events
Amount of times the electrons move back AND forth.

Question 6

Frequency

Answer 6

Number of cycles per second.
60 cycles per second.

Question 7

Electron

Answer 7

One of the fundamental parts of an atom. Carries a negative charge.

Question 8

Voltage

Answer 8

Force that causes the electrons to flow through the circuit.
Electrical pressure
Similar to a kitchen faucet where the pressure is still there but it won’t flow until you turn it on

Question 9

Amperage

Answer 9

Measured in amps
How many electrons are flowing/the volume

Question 10

Current

Answer 10

Combo of amperage and voltage
Measured in amps
It is the flow of a volume of electrons

Question 11

Transformers

Answer 11

Called step down transformer because it reduces the voltage (steps it down)
Turns high voltage, low amperage power into low voltage, high amperage power.

Question 12

Rectifiers

Answer 12

Rectifiers are used after the transformer because the transformer brings down the volts but it is still an alternating current, so the rectifier turns it into a direct current (better for welding because it is more stable) by using a one way door.

Question 13

Direct current

Answer 13

A current that only flows in one way