Ag Mechanics CDE

GMAW stands for

GAs Metal Arc Welding

Both MIG and TIG welding can also be referred to as

GMAW

What is one advantage of MIG welding over stick welding?

It does not have slag to be chipped off.

Indicators of excessive heat when welding would include:

It is difficult to manage the puddle

In the TIG welding process, which of the following is not true?

It is faster then MIG

What will be the result if the amperage is set too low when stick welding?

It will be difficult to strike the arc and keep it running

What will be the result if the amperage is set too low when stick welding?

It will result in a narrow, stringy bead

Another name for wire welding is

MIG welding

MIG stands for

Metal Inert Gas

Welding helmets worn for stick welding are required to have what number shaded lens?

No. 10

Safety glasses or goggles worn when using the oxyacetylene torch should be what number shaded lens?

No. 5

A process that uses both oxygen and acetylene for cutting or welding is referred to as

Oxyacetylene

Another name for stick welding is

SMA W

SMAW stands for

Shielded Metal Arc Welding

Which of the following statements is not true concerning the oxyacetylene rig?

Stand in front of the gauges when opening the cylinders so you can see the amount of pressure.

An arc welding process that uses a tungsten tip and filler rod to create a bead shielded by gas is called

TIG

Which of the following statements is not true concerning the oxyacetylene rig?

The acetylene hose is orange in color.

What happens if the arc length is too short when stick welding?

The electrode sticks to the metal

Which of the following statements is not true concerning the oxyacetylene rig?

The oxygen operating pressure must be set at 80 psi.

TIG stands for

Tungsten Inert Gas

In the TIG welding process, which of the following is not true?

Tungsten electrodes have a very low melting point.

The "1" in E6013 represents what according to the Numerical Coding for Electrodes?

Welding Position

The "3" in E6013 represents what according to the Numerical Coding for Electrodes?

Welding current

The acetylene cylinder valve is never opened more than

a half turn

Which of the following gases is considered to be flammable:

acetylene

The appearance and strength of a bead are influenced by

amps, angle, speed ANSWER ALL OF THE ABOVE

The discharge of electricity through an air space is called the

arc

An arc that is the correct length when stick welding should sound like

bacon frying

The metal to be joined or welded together is classified as the

base metal

The metal that is deposited by the electrode, welding wire or filler rod during the welding process is called the

bead

Which of the following is not a weld defect?

behind cut

If the arc length is too long when stick welding, a ________ sound is heard.

booing

A welding process using the oxyacetylene rig is referred to as

brazing

Which of the following gases can serve as an alternative for acetylene?

butane

The recommended weave pattern for the beginning welder doing down hand welding is

circular

Acetylene is dangerous because it is

compressed, flammable, explosive, Answer "ALL THE ABOVE"

The ________ is a low spot in metal where the force of a flame has pushed out molten metal.

crater

The "E" in E6013 stands for what according to the Numerical Coding for Electrodes?

electrode

Flux coated metal welding rods are referred to as

electrodes

Burning clothes on a human should be extinguished with

fire blanket

Which of the following is needed in the welding area in case of emergency?

fire blanket

The external material on electrodes that remove impurities form the base metal is called

flux

Joining parts by melting them together is known as

fusion welding

Which of the following types of pipe should have the most ventilation to the work area when welding?

galvanized

Which of the following is not a part of the TIG welding torch?

gauge

A spring loaded clamp attached to an electrical cable and is not insulated and carries current between the welding table and to the welder is called a

ground clamp

Which of the following would not be considered a welding position?

lateral

When welding, the operator sees by

light from the arc

The output of a welder is relatively

low voltage and high amperage

Welding tables should be made of

metal

Which of the following gases can serve as an alternative for acetylene?

natural gas

Which of the following types of flames is the correct one for heating and cutting with the oxyacetylene rig?

neutral flame

Tips used in oxyacetylene welding have how many holes in the end of them?

one

When welding, one bead or layer of filler metal is known as a/an

pass

To make a hole with an electrode is called

piercing

Which of the following gases can serve as an alternative for acetylene?

propane

The molten part of the weld where the heat is being applied is called the

puddle

Water in a welding area is useful for

receiving sparks from piercing, extinguishing fires, cooling metal ANSWER ALL OF THE ABOVE

A device on an oxyacetylene rig that controls the flow of gas is called a

regulator

A chipping hammer is used to

remove slag

When making several passes during the welding process, the first pass made in a joint is called the

root pass

To start an arc by dragging the electrode across the metal about an inch is known as the

scratch method

Most MIG welding equipment is

semiautomatic

The layer formed on top of the weld caused by the flux and impurities of the base metal floating to the top is called

slag

Gas leaks on the oxyacetylene rig are checked with

soapy water

Which of the following would not be considered a safety item when welding.

spare electrodes

An arc welding process that uses flux coated rods is called

stick welding

A ________ bead is a bead that is made without weaving.

stringer

A small weld to hold base metals together temporarily is called a/an

tack wled

To start an arc by touching the metal with the electrode and then raising it is known as the

tapping method

The maximum pull in pounds per square inch that a weld can withstand is referred to as

tensile strength

The "60" in E6013 represents what according to the Numerical Coding for Electrodes?

tensile strength in thousands of pounds per square inch

Indicators of excessive heat when welding would include:

the puddle burns through the metal, the arc will not strike both A and C

Which of the following can help you determine the correct arc length for stick welding?

the sound of the arc, the appearance of the brad, welding experience, Answer ALL THE ABOVE

What is the term that means to bond filler material to a base metal? It is the key to success in brazing.

tinning

A device on AC welders that convert high voltage and low amperage from utility power lines to low voltage and high amperage is referred to as

transformers

In metal, the most rapid movement of heat is

up

Which of the following welds is the most difficult to make.

vertical up

When stick welding several beads on top of each other, slag must be removed after each bead is welded or there will be ________ inside the weld.

voids

The practice of uniting metal parts by heating or compression is called

welding

An arc welding process that uses a wire that is fed automatically at a constant speed as an electrode is called

wire welding

Another name for a fillet weld is called a/an

"T" weld

When brazing, what is the phrase that means to alternately move a flame into and out of an area to achieve temperature control?

"play the flame"

Which of the following statements is true concerning torch tips for the oxyacetylene rig?

000 size tip is smaller than a size 10 tip

For most welding in agricultural mechanics the best electrode size is

1/8 inch

The correct arc length when welding is approximately

1/8 inch

The angle of the electrode when stick welding should be

10-15 degrees from the vertical position

A 20% duty cycle welder should weld only how many minutes out of every hour at full capacity?

12 minutes

How many cables does a welder have?

2

In the MIG welding process, gas pressure should be set at approximately

25-30 psi

The best amperage setting for cutting with a stick welder is _____ higher than for welding.

50%

The temperature of the electric welding arc is about

9000 degrees F

The types of gas used in the MIG welding process would not include which of the following:

Acetylene

Current that reserves its direction of flow frequently is referred to as

Alternation current

An association or society that establishes codes and standards for the welding industry is known as the

American Welding Society

Removing gas from oxyacetylene equipment is known as

Bleeding the lines

Which of the following types of fire extinguishers should be available for use in the welding area?

Class A, B and C

Current that flows in one direction according to how the welder is set is referred to as

Direct Current

The percentage of time that a welder can operate without overheating is referred to as the

Duty Cycle

If only one kind of electrode for all stick welding is to be purchased, the best choice is an

E6011