A | B |
the suggested welding position for an electrode is indicated by the ______ digit from the right and the AWS electrode classification. | 2nd |
A number ____ filter lens is recommended for SMAW . | 10-14 |
A(n) ______ arc welding machine may consist of a DC rectifier and an alternator. | AC/DC |
A DCEP electrode has the same direction of flow as the electrode with a _____ designation. | DCRP |
What duty cycle is recommended for a welding machine that is to be used with automatic or semi automatic welding? | 100% |
The approximate temperature of the SMAW arc is ____ degress farenheit (3,0593C-3,871C) | 6,500-7,000 |
which of the following is not a type of DC welidng machine | Motor or Engine-Driven DC Generator with an AC rectifier |
____ is not a factor in determinig the polarity of the surface while welding. | Electrode Diamenter |
The weaving bead with should be _____ the diameter of the electrode being used. | 6 times |
restarted on a previously unfinshed bead ? | At the leading edge of the previous bead |
Undercut and a horizonal inside corner joint usually is a(n) ________ | depreeion along the upper edge of the weld on the vertical piece |
The___is not information given on the welding symbol. | Thickness of the base metal |
On the welding symbol, the ______ tells the welder the type of weld joint to use. | Basic weld symbol |
Infromation below the referance line refers to the _______ side of the weld. | Arrow |
The ______ is placed in parentheses on the weld symbol. | Groove weld side |
For which of the welds listed are the welding sybol offset from each other? | A staggered iitermittent weld. |
In an intermitternt weld, what is the dstance between the end of one weld and the beginning of the next, if the length and pitch dimension are 4-10? | 6 inches |
A SMAW station incudes the arc welding machine, _____, electrodew lead, work piece lead, booth, work bench, stool, and venilation. | electrode holder |
The type of current that flows from the electrode across the acr to the work is called ______. | DCEN,DCSP |
The constant ________ machine is most desirable when doing manual arc welding. | Current |
DCRP has the same direction of electron flow as ______. | DCEP |
To eliminate the time required to travel back and forth to a welding machine to change setting _______, control devices often are provided near the welder. | Remote |
The three type of AC arc welding machine are the motor or engine drivien alternator type, the ____ type, and the ____ type. | Transformer,Inverter |
When using a constant current machine, if the arc gap increases, the resistance will _____. | Increase |
If the resistance increases when using a CC acr welding machine, the voltage must _____. | Increase |
Each bead is cleaned before the next bead is made to prevent ___ insclusions. | Slag |
On a welding symbol, the small black symbol shaped like a flag or pennant indicates that the weld will be made in the _______. | Field |
The five basic weld joints are butt, _____, tee, ______, and edge. | Corner, Lap |
How many different welding postions are there? | Four |
The term used for the space between two metal pieces at the bottom of the joint to be welded. | Root Opening |
On a welding drawing, the surface of the metal touched by the arrow of the welding symbol is called the _____ side. | Arrow |
A ____ weld is represented on the welding symbol by a weld symbol in the shape of a triangle. | Fillet |
Three types of grooves used for weld preparation are represented by the letters. | VUJ |
A small circle positioned on, above, or below the referance line of the welding symbol stands for a _____ weld. | Spot |
What is the typical no-load open circuit voltage of a DC arc welding machine? | 60-80 Volts |
List three components of the transformer type arc welding machine. | Primary windings, Secondary windings, Core |
Name two electronic devices used to control the transformer output on newer power sources. | Diode & Silicon Control Rectifier (SCR) |
Used on thin metal | small diameter electrode |
Used to deposit larger amounts filler metal | large diameter electrode |
Used in overhead welding | small diameter electrode |
Used on the root pass of a weld on thick metal | small diameter electrode |
Used on the single pass welds on thick metal section | large diameter electrode |