Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Welding EOPA

Welding end of pathway

QuestionAnswer
Which of the following is not a welding position? Back hand
which number and letter combination does the AWS assign to the flat welding position? 1G
Which of the items listed below is NOT normally used to hold a weld joint to prevent it from warping or changing shape during welding? Slip-joint pliers
Which number and letter combination does the AWS assign to the overhead welding position? 4G
Which number and letter combination does the AWS assign to the vertical welding position? 3G
Which term bellow tells the welder how long the welding machine can be used during each ten-minute period? Duty cycle
What is the current called when the electrons flow from the electrode to the base metal? direct current electrode negative
Which electrode polarity should be used when welding thin metals? DCEN
Which electrode polarity provides the deepest penetration? DCEP
When the electron flow changes direction many times each second, what type of current is being used? Alternating current
Which device is used to change alternating current into direct current? Bridge rectifier
Which of the following devices will allow current to flow in ONLY one direction? Diode
Which type of machine will create ac power? Motor alternator
Which type of machine will create dc power? Motor generator
Which of the following in NOT a purpose of the electrode covering? Create argon gas to protect the arc and metal
Which of the following is NOT kept out of the weld area by shielding gas when the flux melts? Metal oxides
As the weld cools, a hard crust called ____ forms over weld bead. slag
Which of the following is harmful to the mechanical and chemical properties of a completed weld? slag
What do the last two digits of an electrode designation indicate? Polarity and any special notes
Low-hydrogen steel electrodes end in what number? 5, 6, or 8
Which should be stronger? Deposited weld metal
A weld bead should be two to how many times the diameter of the electrode? Three
Which of the following electrodes will NOT leave a good appearance in the weld bead? E6010
Low-hydrogen electrodes produce welds with less hydrogen in the weld. Welds with lower hydrogen are Stronger and tougher
What does GMAW stand for? Gas Metal Arc Welding
In GMAW, the arc is struck between the ____ and the ____. Electrode, base metal
What type of welding machine is used for GMAW? Constant voltage
What is another name for direct current electrode positive? Direct current reverse polarity
Which of the following is NOT an advantage of GMAW, as compared to SMAW? GMAW equipment is cheaper than SMAW
What does MIG stand for? Metal inert gas
Metal transfer can occur in any of the following except_____ Voltage
The molten metal on the end of the electrode in globular transfer is called____ Globule
In spray transfer, ______ of small droplets are formed every second. Hundreds
What is the minimum amount of argon shielding gas that must be used to obtain spray transfer? 90%
What does CV welding machine try to keep constant? Voltage
What happens if the welding gun is moved closer to the work? Current increases
Shielded gases in cylinders have pressures that may exceed ____. 2,000 psi
When reading a ball-float-type flow meter, at what point on the ball should the flow reading be taken? Top
Which metal transfer type produces the most spatter? Globular
Which types of metal transfer do NOT put much heat into the work and can be used in all positions? Pulsed spray transfer and short circuiting transfer
What does TIG stand for? Tungsten inert gas
What is the term for a tungsten electrode that does NOT melt and become part of the weld? Non-consumable electrode
Which of the following is NOT selected using the welding machine? Electrode diameter
In pulse GTAW, two currents are used; one is called peak current and the other is called Background current
What part if the GTAW torch is tightened to cause the collect to grip the electrode? End cap
Which of the following is NOT carried by the cables and hoses in GTAW? Electrode wire
Which of the following part(s) of the torch must also be changed when a different size tungsten electrode is used? Collet and collet body
Flowmeters measure shielding gas flow rates in _____ Cubic feet per hour or liters per minute
Which of these shielding gases are GMAW? Argon and helium
To which voltage electrical circuits are GTAW machines connected? 120 V 240 V
A general rule for setting flow is to use one second of gas flow for each 10 amps
The designation for each type of filler metal used in GTAW begins with the letters "ER" What does the "R" stand for? Recycle
What shape should an electrode tip used for dc welding have? Tapered with a sharp point
Which type of cylinder uses a fusible plug? Acetylene
how is an acetylene hose nut different from an oxygen hose nut? Acetylene hose nuts have left-hand threads and oxygen hose nuts have right-hand threads; a groove is machined around the acetylene hose nut.
Low-pressure acetylene gauges usually have a red-line to indicate dangerous pressure levels above ____. 15 psig (103.4 kPa)
During a fire, what happens in an oxygen cylinder safety valve to prevent an explosion? A safety disc within the valve ruptures when a certain pressure is reached, slowly releasing the oxygen from the cylinder
Which of the following is an acceptable method of moving an oxygen cylinder? Tilt the cylinder, keeping one hand on the safety cap, and roll the cylinder along its bottom edge with your other hand
A(n) _____ is used to connect several cylinders to one supply pipe, which then distributes gas to several workstations. Manifold
A(n) ____ is used to reduce and control the pressure of the welding gases Regulator
By filling the cylinders with a porous material and storing the acetylene gas in a liquid called _____, acetylene can be safely stored at pressures above the danger point. Acetone
Why are spark lighters or economizers used instead of matches tot light the gases at the torch? They prevent the welder from burning his/her fingers
When the hole, or orifice, in the end of the torch tip becomes dirty, it may be cleaned using the proper sized drill bit or a(n) Broaching wire
A(n) ____ is a one-way valve that prevents the reverse flow of gases through the torch, hoses, and regulators. Check valve
A(n) _____ flame has a smooth, bullet-shaped inner cone. Neutral
The ____ must be closed before the cylinder valves are opened. Regulator
The torch valve must be ____ before adjusting the working pressure on the regulator. Opened
What are the characteristics of an oxidizing flame? The end of the inner cone is smooth and pointed; the flame is loud and makes a hissing noise
Which of the following is a correct description of a fuel gas hose? Red in color, with a machined groove around left-handed threaded nuts
The regulator is closed when adjusting screw is turned_____ and feels ____. Counterclockwise, loose
How far should the oxygen cylinder valve be opened for welding and cutting? All the way
How far should the acetylene cylinder valve be opened for welding and cutting? 1/4-1/2 turn
Oxyfuel gas cutting is also known as _____ in the trade Flame cutting
A circle cutting attachment _____ Allows welders to turn the torch accurately and make precise circular cuts
As the thickness of the metal ______, the cutting tip should be held closer to _____ Increases, vertical
What color is steel at its ignition temperature? Red
A piece of ____ Clamped to the work may be used to achieve straighter kerf line when cutting manually. Angle iron
Which are the two most commonly used fuel gases in industry? Acetylene and MPS
Welds are offset from each other on the welding symbol for a(n) Interrupted terminal weld
Information shown below the reference line refers to a weld made on the ____ side of the weld. Arrow
the ____ is placed in parenthesis in the weld symbol. Groove weld size
In an intermittent weld, what is the actual distance between the end of one weld and the beginning of the next weld if the length and pitch dimensions is 5-12? 7" (180 mm)
Which of the symbols listed below will indicate that the weld is to be made in the field? A small black flag at the beginning of the arrow shaft
the five basic weld joints are the butt, tee, edge, lap, and _____ Corner
What does the symbol " mean in measurement Inch
What does the symbol ' mean in measurement Feet
Flat G or 1F When welding is performed from the upper side of the joint, and the face of the weld is approximately horizontal
Horizontal 2G or 2F The axis of the weld is approximately horizontal, but the type of the weld dictates the complete definition.
For a fillet weld welding is performed on the upper side of an approximately vertical surface
Vertical 3G or 3F The axis of the weld is approximately vertical
Overhead 4G or 4F When welding is performed from the underside of the joint
Vertical 2G The pipe is vertical to the horizon, and the weld is made horizontally around the pipe
Inclined 6G The pipe is fixed in a 45° inclined angle, and the weld is made around the pipe
Inclined with a restriction ring 6GR The pipe is fixed in a 45° inclined angle, and there is a restricting ring placed around the pipe below the weld groove
What does the E in E601-2 stand for? Electrode
What does the 60 in E601-2 stand for? Tensile strength times 1000
What does the1 in E601-2 stand for? Welding position
What does the 2 in E601-2 stand for? Welding current
Created by: jonathan.wallace
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards