Intro to Welding(SB-3) Flashcards
(True or False) The source of heat for the forge welding process is a flow of electricity
between two contacts.
False
In welding terms, RSW means _____.
resistance spot welding
the source of heat for electric arc welding is
a flow of electricity between 2 contacts
(True or False) The primary advantage of using shielded metal-arc welding is that it
produces high-quality welds rapidly at a low cost.
True
What is the primary purpose of the gas in gas shielded arc welding?
prevent atmospheric contamination
When welding two pieces of metal together, you will often need to leave a space to be filled
in. What material is added during the welding phase?
filler metal
(True or False) The two types of filler metals commonly used in welding are welding rods and welding electrodes.
false
(True or False) A common property of a welding rod and a welding electrode is that both are used to conduct electricity.
false
Into what categories are electrodes classified when they are divided into groups?
consumable/non-consumable
What term refers to materials that are used to dissolve or facilitate the removal of oxides and other undesirable substances formed during welding?
fluxes
A good flux does NOT have to
?
In which of the following forms are fluxes produced?
paste, powder liquid,(aotb)
What are the five fundamental types of joints?
lap corner tee butt edge
What type(s) of welded joint should you use when two members are at right angles to each other?
tee or corner
How large, in degrees, is the groove angle when the edges of each of two joints that are to be joined are beveled to an angle of 45 degrees?
90
Which factors must you consider to determine the bevel angle, groove angle, and root opening for a weld joint?
kind of joint, welding process, thickness of base metal
What term refers to the depth that a groove weld extends into the root of a joint?
root penetration
What type of weld bead is made by using a side-to-side oscillation?
weave
What factor in the welding process does the term “buildup sequence” refer to?
order in which the beads of a multipass weld are deposited
What type of weld has a triangular cross section?
fillet
Which type of weld(s) is made through holes or slots in one member of a lap join?
plug and slot
What type of weld is used to apply a hard wear-resistant layer of metal to surfaces or edges of worn-out parts?
surface
What type of weld should you use temporarily to hold two parts in proper alignment for the final weld?
tack
The junction between the face of the weld and the base is known as the _____.
toe
The exposed surface on the side from which the weld is made is known as the _____.
face
The portion of the weld from the toe to the root is known as the _____.
leg
Why is the term “heat-affected zone” important to a welder?
it includes portion of base metal that hasnt been melted but where the properties have been affected by heat
What term is used to describe the details of a joint that includes both geometry and
required dimensions?
joint design
What butt joint is NOT recommended when metals are subject to fatigue or impact loads?
square butt joint
Which of these butt joints is recommended as an excellent joint for all load conditions?
double v
What corner joint is used primarily for welding 12-gauge or lighter sheet metal?
flush
What tee joint is used in locations where heavy loads are applied?
double bevel
What factor determines the strength of a single-fillet lap joint?
strength of base metals
(True or False) All welding is done in one or more of four positions.
true
The American Welding Society (AWS) number/letter designation 1F indicates a _____
fillet flat
What welding position should a welder use anytime conditions allow, due to the effects of gravity on welding?
flat
(True or False) In pipe welding there are four basic test positions that refer to the position of the pipe and not to the position of the welding.
true
What welding position(s) do you use for pipe welding when welding in the 6G position?
all positions
What factor causes internal stresses, distortion, and warpage when two pieces of metal are welded together?
the difference in temperature from joint to the edges of the joint
(True or False) When exposed to the heat buildup of welding, all metals expand in the path of least resistance.
true
You should space tack welds at least 12 inches apart and _____ to aid in controlling
distortion.
twice the thickness of the weld
Why is an intermittent weld used?
to control heat input
(True or False) To control the forces of expansion and contraction during welding
operations, you can heat the entire structure before welding.
true
What devices (if any) should you use to prevent distortion of metal parts during a welding operation?
jigs and fixtures
Which of these variables must be considered when identifying the correct welding procedure?
base metal, testing, joint design,(aota)
In what section of the specifications should you look for welding codes?
?
What type of line is used to show the edges of an object that are visible to a viewer?
visible
What type of line is used on a drawing to show the edges of concealed studs, pipes, and electrical conduit?
hidden
What type of line is used on a drawing to show different types of materials?
section lines
Which of these drawings is used to show internal components?
cutting plane
(True or False) A general note is used to provide additional information that applies to one particular part or feature of a drawing.
true
(True or False) The dimensions of an object should be measured (scaled) directly from the drawing.
?
What do you call a drawing that shows how an object will appear after being manufactured?
pictorial
What type of drawing is used to show a complex object completely?
orthographic
Which of these features make(s) up the standard welding symbols of the American Welding Society (AWS)?
a tail, arrow, reference line (aota)
(True or False) The term “welding symbol” refers to the total symbol, which includes all the information needed to specify the weld(s) required.
true
What type of symbols is used with weld symbols to show how the face of the weld is to be formed?
contour
What type of symbol is used to indicate the method to use for forming the contour of the weld?
finish
What eye protection device is designed for wear under the welder’s helmet?
flash goggles with side shields
For which of the following reasons is a welding helmet worn?
all of the above bro cmon safety
When you are welding with a current of 300 amperes, what lens filter is best for eye
protection?
no. 12
Which of these indications can determine whether the lens is the proper shade when using a light bulb to test a filter lens?
you can no longer see the outline of the bulb
What type of leather gauntlets is recommended for arc welding?
five finger
What items of safety gear are best suited for overhead welding?
cape and sleeves
Which of the following clothing materials is least likely to catch fire from welding sparks?
wool
