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welding bank

Total questions: 199

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

If the electrode freezes to the work:

a)

Increase the amperage

b)

Change the ground terminal.

c)

Use a chipping hammer to knock the electrode free

d)

Turn the welding machine off immediately.

2.

The proper length of arc may be judged by:

a)

The sound of the arc.

b)

The appearance of the arc.

c)

The appearance of the weld.

d)

All of the above

3.

If the electrode is moved too fast when arc welding:

a)

A wide bead will result

b)

Not enough metal will be deposited.

c)

Excessive weld metal will be used

d)

The bead will be too high.

4.

What term is used to describe the continuous running time for which a welding machine was designed?

a)

Duty rating

b)

Running specification

c)

Duty cycle

d)

Ambient cycle

5.

Which of the following is not a recognized welding position?

a)

Diagonal

b)

Overhead

c)

Vertical

d)

Horizontal

6.

Flux is a chemical compound used to prevent the:

a)

Metal from becoming overheated.

b)

Welding rod from freezing to the metal.

c)

Formation of carbon on the metal.

d)

Formation of an oxide on the metal.

7.

Straight polarity is when:

a)

Work is positive and the electrode is negative.

b)

Both the work and the electrode are positive.

c)

The work is negative and the electrode is positive

d)

Both the work and the electrode are negative.

8.

A second pass should never be done if:

a)

The first was a poor weld.

b)

The joint was ground.

c)

The slag from the first pass has been removed.

d)

The slag from the first pass has not been removed.

9.

The tensile strength of an E-7018 electrode is _______ pounds psi.

a)

3,500

b)

7,000

c)

70,000

d)

701,000

10.

Porosity describes the condition of:

a)

Non-fused nonmetallic substances in a weld.

b)

Gas pockets and voids in the metal.

c)

The weld at the place the heat is supplied.

d)

A depression in the face of the weld.

11.

Mild steel is considered to have:

a)

No carbon content

b)

Low carbon content

c)

Medium carbon content.

d)

High carbon content

12.

What is meant by the term “ductility” as it applies to metal?

a)

The ease with which a metal will crack or bend.

b)

The ability of a metal to be permanently twisted or bent without breaking.

c)

The ability of a metal to resist penetration

d)

The metal’s ability to resist deformation.

13.

Tensile strength refers to:

a)

How well a metal can withstand forces acting to cut it apart

b)

The property of a metal to resist being crushed.

c)

The ability of a metal to resist being pulled apart.

d)

The ability of a metal to withstand a twisting force

14.

The ability of a metal to resist being twisted apart is called its.

a)

Tensile strength

b)

Compressive strength

c)

Shear strength

d)

Torsional strength

15.

The property of a metal that allows it to withstand forces, sudden shock or bends without fracturing.

a)

Brittleness

b)

Ductility

c)

Toughness

d)

Strength

16.

The duty cycle of an arc welder refers to the:

a)

Electrical requirements of the machine.

b)

Electrical requirements of the machine.

c)

Continuous operating time in a ten minute period

d)

Output capacity of the machine

17.

Which element in steel is most undesirable for welding?

a)

Carbon

b)

Sulfur

c)

Manganese

d)

Aluminum

18.

Which of the following is considered a fast freeze, deep penetrating, all purpose electrode

a)

E-6011

b)

E-6013

c)

E-7014

d)

E-7018

19.

A T-fillet weld is affected most by _______ distortion.

a)

Vertical

b)

Horizontal

c)

Angular

d)

Diagonal

20.

What element is added more than others to iron in the manufacturing of steel?

a)

Sulfur

b)

Magnesium

c)

Molybdenum

d)

Carbon

21.

What shade of lens is used in arc welding?

a)

Five

b)

Eight

c)

Ten

d)

Twelve

22.

Which two welds are known as “fillet” welds?

a)

Butt and T-weld

b)

T-weld and lap weld

c)

Lap and butt weld

d)

Corner and butt weld

23.

What is the first bead made when welding two pieces of metal together called?

a)

Root pass

b)

Cover pass

c)

Surface pass

d)

Finishing pass

24.

An electrical current that flows in one direction (+) for a half cycle and then in the other direction (-) for a half cycle is:

a)

Alternating current (AC)

b)

Direct current (DC)

25.

For most arc welding jobs, the length of the arc should be:

a)

¼ inch

b)

Equal to the rod length

c)

Equal to the rod length

d)

Equal to the rod width.

26.

What is the purpose of the coating on an electrode?

a)

Protect the wire core.

b)

Prevent impurities from entering the weld.

c)

Prevent slag from entering the weld

d)

Make the electrode look pretty.

27.

What is the work angle?

a)

The angle between the electrode and the base metal when viewed from the end plane

b)

The angle between the electrode and the vertical plane when viewed from the side.

c)

The position of the base metal being welded.

d)

The position of the base metal being welded.

28.

When welding pieces that are of unequal thickness:

a)

Maintain a short arc.

b)

Use a long arc

c)

Increase the speed of travel

d)

Point the electrode towards the thicker piece.

29.

What does the term “weld metal” refer to when arc welding?

a)

The welded metal plate or structure.

b)

The fused portion of base metal with filler rod.

c)

The metal which the weld is being made on

d)

The process of fusing the filler rod with the base metal.

30.

An E-7014 electrode can be used in:

a)

The flat position only

b)

vertical positions only

c)

Flat and vertical positions only

d)

all positions

31.

When welding vertical up, you should have:

a)

A short arc

b)

The amperage set higher than normal

c)

A long arc

d)

None of the above answers are correct.

32.

which one above answers are correct.

a)

Choose the most expensive rods available.

b)

Choose a rod that is made of metal that is much lighter than the

c)

Choose a rod that is made of metal which is as similar to the metal as possible.

d)

Chose a rod that is made of metal which is much heavier than the metal to be welded.

33.

Ductility refers to:

a)

The ability of a metal to be hammered or rolled.

b)

The ability of a metal to be stretched

c)

The ability of the metal to conduct electricity.

d)

The corrosion resistance of the metal.

34.

Malleability refers to:

a)

The ability of a metal to be hammered or rolled

b)

The ability of a metal to withstand a great amount of pressure

c)

The ability of a metal to withstand impact

35.

The heat energy across an arc is produced by the:

a)

Volts across the arc.

b)

Resistance to current flow across the arc.

c)

The amperage setting on the power source.

d)

Electrode being used.

36.

The slag which remains on top of the weld will _______ the speed that the weld cools

a)

Slow

b)

increase

37.

A _______ is any material which allows electricity to flow through it.

a)

Conductor

b)

Carrier

c)

Volt

d)

Watt

38.

The two methods of striking an arc are:

a)

Scratching and itching

b)

Digging and scratching

c)

Rubbing and scratching

d)

Scratching and tapping.

39.

Electrodes are classified by the

a)

American Welders United

b)

American Welders United

c)

American Welders Union

d)

American Welding Society

40.

What kind of hammer should be used to remove slag?

a)

Ball peen hammer

b)

Claw hammer

c)

Chipping hammer

d)

Brass hammer

41.

Beveling is often used on very _______ metals.

a)

Thick

b)

Thin

42.

Arc blow is caused by:

a)

Electrical forces

b)

Magnetic forces

c)

Physical forces

d)

Metallic forces

43.

To stop arc blow from occurring you should:

a)

Switch to a different electrode.

b)

Turn off the machine, remove the ground clamp momentarily then clamp it back on.

c)

Use a different pair of welding gloves.

d)

Have the arc welding machine repaired as soon as possible.

44.

What is the correct arc length when welding in the flat position?

a)

The width of the uncoated end of the electrode.

b)

The width of the coated end of the electrode.

c)

The length of the electrode.

d)

The width of the base metal.

45.

A chill plate is used to:

a)

Keep beverages cool.

b)

Support the metal being welded.

c)

Absorb excessive heat from the welding process

d)

Protect the welder from excessive spatter.

46.

The output of a welding machine is relatively:

a)

Low voltage and high amperage

b)

High voltage and low amperage

c)

High voltage and high amperage

d)

Low voltage and low amperage.

47.

Placing a small weld at each end of a joint is called:

a)

Bead welding

b)

Fillet welding

c)

Tack welding

d)

Groove welding

48.

Eye hazards found in welding operations include:

a)

Flying particles

b)

Radiation

c)

Smoke and fumes

d)

All of the above

49.

Protective equipment not suitable for eye protection from welding radiation includes:

a)

Welding helmets with filter plates

b)

Clear safety goggles

c)

Safety goggles with filter plates

d)

Protective screens

50.

Which of the following gases can be used as shielding gases for GMAW?

a)

Carbon dioxide

b)

Argon-oxygen

c)

Argon

d)

All of the above

51.

In a completed weld, the term for the junction between the weld face and the base metal is:

a)

Root

b)

Toe

c)

Leg

d)

Weld edge

52.

Endurance limit is an expression used for what type of testing?

a)

Fatigue

b)

Hardness

c)

Soundness

d)

Tension

53.

The ability of a metal to absorb energy is called:

a)

Strength

b)

Ductility

c)

Hardness

d)

Toughness

54.

Which alloying element is generally considered to have the most pronounced effect on the properties and performance of carbon steel?

a)

Aluminum

b)

Carbon

c)

Manganese

d)

Chromium

55.

Which alloying element is commonly added to steel to improve its corrosion resistance?

a)

Carbon

b)

Aluminum

c)

Silicon

d)

Chromium

56.

Hydrogen in the molten weld metal can cause:

a)

Undercut

b)

Overlap

c)

Porosity

d)

None of the abov

57.

The point at which a metal’s behavior changes from elastic to plastic (onset of permanent deformation) is referred to as:

a)

Yield strength

b)

Ultimate tensile strength

c)

Modulus of elasticity

d)

Young’s modulus

58.

The family of hardness tests that uses both a minor and major load is called:

a)

Brinnell

b)

Vickers

c)

Rockwell

d)

Knoop

59.

Stainless steels are defined as having at least what percent chromium?

a)

7%

b)

12%

c)

15%

d)

20%

60.

The process where carbon is added to the surface of a steel to harden it is:

a)

Decarburization

b)

Pack carburizing

c)

Precipitation hardening

d)

Quenching

61.

Which of the following is a function of the flux coating of a SMAW electrode?

a)

Insulating

b)

Alloying

c)

Shielding

d)

All of the above

62.

What is the lead angle?

a)

The angle between the electrode and the base metal when viewed from the end plane

b)

The angle between the electrode and the vertical plane when viewed from the side.

c)

The angle between the base metal and the welding table.

d)

The angle between the ground clamp and the base metal in relation to the electrode.

63.

When undercutting is a problem while arc welding, which adjustment would most likely correct the problem?

a)

Lengthen the arc

b)

Reduce the current

c)

Use longer electrodes

d)

Switch to a higher amperage

64.

What will be the result if you are using too low of an amperage when arc welding?

a)

The joint will be well fused

b)

Undercutting will occur

c)

The penetration of the base metal will be excessive.

d)

The bead will be excessive.

65.

An example of a metal that is “brittle” is:

a)

aluminum

b)

cast iron

c)

mild steel

d)

copper

66.

An AC welding machine is powered by high voltage and should only be serviced by a:

a)

Mechanic

b)

Welder

c)

Supervisor

d)

Qualified electrician

67.

Arc welding can be performed in almost any position, but welding is most easily done if the weld is in the _______position.

a)

Overhead

b)

Vertical

c)

Flat

d)

Horizontal

68.

A _______ is also known as a fillet weld.

a)

T-weld

b)

Butt weld

c)

Corner

d)

None of the above are correct

69.

When making a T-weld the arc should be directed more toward the bottom plate to prevent:

a)

Penetration

b)

Undercutting on the top piece

c)

Distortion

d)

Slag inclusions

70.

What does the abbreviation GMAW stand for?

a)

General Machining And Welding

b)

Gas Metal Arc Welding

c)

Gas Motion Arc Welding

d)

General Metal Arc Welding

71.

The UL symbol means:

a)

Unlimited guarantee

b)

Underwriters Laboratory

c)

Underwater limited

d)

Unlimited liability

72.

Porosity in a weld might be caused by

a)

Rust on the metal

b)

Welding too slow

c)

Too short of an arc

d)

Too short of an arc

73.

When arc welding, injury to the eyes can result from:

a)

Chipping without eye protection

b)

Viewing welding without a helmet or shield

c)

Welding with less than a number 10 lens

d)

All of the above

74.

The appearance and strength of a bead are influenced by the:

a)

Amperage setting of the welding machine.

b)

Angle that the electrode is held.

c)

Angle that the electrode is held.

d)

All of the above

75.

The appearance and strength of a bead are influenced by the:

a)

Amperage setting of the welding machine.

b)

Angle that the electrode is held.

c)

Travel speed when making the weld.

d)

All of the above

76.

When welding with a direct current machine straight polarity, the electrode holder would be:

a)

Positive

b)

Negative

c)

The current from both directions

d)

The current from both directions

77.

The output of an arc welding machine is commonly expressed in terms of:

a)

Voltage

b)

Hertz

c)

Wattage

d)

Amperage

78.

AC welding machines house transformers to reduce input _______ and increase output _______ for safe and effective welding.

a)

Amperage-wattage

b)

Voltage-amperage

c)

Amperage-voltage

d)

Voltage-wattage

79.

The AC/ DC welding machine is essentially an AC welder with an electronic device to convert AC to DC power. This electronic device is called a(n):

a)

Amplifier

b)

Justifier

c)

Rectifier

d)

Generator

80.

What are probable results if the welding current is too high or the arc length is too great?

a)

A narrow, deposit will pile up, irregular shape.

b)

The electrode melts too fast, molten puddle too large and irregular.

c)

Melts off the electrode in large globules, wobbles from sided to side

d)

A wide, splattered, irregular weld.

81.

Which of the following is NOT a cause of undercutting?

a)

Amperage set too low

b)

Amperage set too high

c)

Arc too long

d)

Electrode held at an incorrect angle

82.

Which of the following characteristics is not important in determining the type of welding electrode to select?

a)

The kind of metal being used

b)

The thickness of the metal

c)

The welding position

d)

The weight of the metal

83.

Which type of SMAW welding machine provides from both AC and DC current for welding?

a)

Transformer only

b)

Generator only

c)

Transformer/rectifier

d)

Plasma arc

84.

Why is a change in polarity useful in electric arc welding?

a)

Reduces splatter

b)

Reduces slag deposits

c)

Controls heat and depth of penetration

d)

Reduces ultraviolet and infrared light rays.

85.

The last digit in the electrode number designates the

a)

Tensile strength

b)

Welding position

c)

Types of flux coating

d)

Special characteristics of the electrode

86.

In the GMAW welding process, the “consumable” electrode is in the form of a:

a)

12” electrode

b)

36” electrode

c)

Continuous wire

d)

Tungsten electrode

87.

Which of the following is recommended to be worn under the welding helmet for safety protection of the eyes when accomplishing other tasks besides welding?

a)

Tinted contact lenses

b)

Shade five safety goggles

c)

Shade ten safety glasses

d)

Clear safety glasses

88.

The first two digits in the AWS electrode classification number designates the:

a)

Welding position

b)

Tensile strength

c)

Type of flux coating

d)

Special characteristics of the electrode

89.

Which of the following would be classified as a destructive type weld test?

a)

Guided bend

b)

Ultrasonic

c)

Visual inspection

d)

Eddy current

90.

In the shielded metal arc welding process, impurities are floated out of the molten puddle to form a deposit known as _______ that protects the weld

a)

Slag

b)

Flux

c)

Dross

d)

Flack

91.

Tensile strength refers to:

a)

How well a metal can withstand forces acting to cut it apart

b)

The property of a metal to resist being crushed.

c)

The ability of a metal to resist being pulled apart

d)

The ability of a metal to withstand a twisting force

92.

What is an alloy metal?

a)

A pure metal comprised of only one element.

b)

A metal with one or more elements added to it

c)

A type of metal that has no commercial value.

d)

None of the above

93.

Which of the following metals has a carbon content between 2% and 4%?

a)

Iron

b)

Aluminum

c)

Mild steel

d)

Cast iron

94.

What does to term “quenching” refer to in welding?

a)

Heating metal to its melting point

b)

Rapidly cooling a metal.

c)

Galvanizing a metal

d)

Adding another metal to create an alloy.

95.

The ability of a metal to resist fracture under a sudden load is called its:

a)

Elastic limit

b)

Impact strength

c)

Torsional strength

d)

Tensile strength

96.

The ability of a metal to resist being twisted apart is called its.

a)

Tensile strength

b)

Compressive strength

c)

Shear strength

d)

Torsional strength

97.

You must know the kind of metal to be welded before you can select an electrode. Which of the following is an example of a ferrous metal?

a)

Copper

b)

Aluminum

c)

Steel

d)

Porcelain

98.

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

a)

plumbing

b)

transforming

c)

welding

d)

Direct current

99.

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

a)

standard metal

b)

tack metal

c)

base metal

d)

bead

100.

The discharge of electricity through an air space is called the

a)

arc

b)

gap

c)

amperage

d)

electrode

101.

Flux coated metal welding rods are referred to as

a)

flux

b)

beads

c)

electrodes

d)

sticks

102.

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

a)

a shield

b)

flux

c)

slag

d)

paste

103.

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

top is called

a)

flux

b)

flux

c)

puddle

d)

slag

104.

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

a)

tack weld

b)

bead

c)

temporary work load

d)

negative weld

105.

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

a)

bead

b)

current

c)

flame

d)

puddle

106.

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

called the

a)

bead

b)

base metal

c)

filler metal

d)

hot metal

107.

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

a)

auxillary strength

b)

psi

c)

compression strength

d)

tensile strength

108.

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

a)

American Wedling Group

b)

Society of Amercian Welders

c)

American Welding Society

d)

National Metal Organization

109.

An arc welding process that uses flux coated rods is called

a)

TIG welding

b)

stick welding

c)

MIG welding

d)

wire welding

110.

Another name for stick welding is

a)

SMAW

b)

MIG

c)

TIG

d)

GMAW

111.

SMAW stands for

a)

Shielded Material Arc Welding

b)

Shielded Metal Arc Welding

c)

Standard Metal Arc Welding

d)

Standard Material Arc Welding

112.

SMAW stands for

a)

Shielded Material Arc Welding

b)

Shielded Metal Arc Welding

c)

Standard Metal Arc Welding

d)

Standard Material Arc Welding

113.

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

called

a)

TIG welding

b)

brazing

c)

wire welding

d)

stick welding

114.

Another name for wire welding is

a)

MIG welding

b)

TIG welding

c)

brazing

d)

SMAW

115.

MIG stands for

a)

Material Inactive Gas

b)

Metal Inert Gas

c)

Material Inverted Gas

d)

Metal Inverted Gas

116.

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

a)

TIG

b)

MIG

c)

SMAW

d)

stick welding

117.

TIG stands for

a)

Teranium Inert Gas

b)

Teranium Inert Gas

c)

Teranium Inactive Gas

d)

Tungsten Inert Gas

118.

Both MIG and TIG welding can also be referred to as

a)

GMAW

b)

SMAW

c)

WMAW

d)

CMAW

119.

GMAW stands for

a)

Gas Material Arc Welding

b)

Gas Metal Advanced Welding

c)

Gas Material Advanced Welding

d)

Gas Metal Arc Welding

120.

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

a)

Oxyacetylene

b)

Acetygen

c)

Oxylene

d)

OA welding

121.

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

a)

diesel fuel

b)

propane

c)

Argon

d)

CO2

122.

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

a)

butane

b)

gasoline

c)

kerosene

d)

Argon

123.

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

a)

helium

b)

kerosene

c)

oxygen

d)

natural gas

124.

A welding process using the oxyacetylene rig is referred to as

a)

branding

b)

brazing

c)

soldering

d)

TIG

125.

A welding process using the oxyacetylene rig is referred to as

a)

branding

b)

brazing

c)

soldering

d)

TIG

126.

tips used in oxyacetylen welding have how many holes in the end of them

a)

one

b)

two

c)

four

d)

six

127.

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

a)

A small tip is used for thick metal.

b)

000 size tip is smaller than a size 10 tip

c)

Tip size does not matter when brazing.

d)

Tip numbers range up to 100.

128.

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

a)

The acetylene hose has notched fittings.

b)

The oxygen hose has fittings that are not

notched.

c)

The oxygen hose is green in color.

d)

The acetylene hose is orange in color.

129.

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

a)

The oxygen operating pressure must be set

at 80 psi.

b)

Never operate acetylene pressure at 15 psi

or more.

c)

Acetylene is a fuel.

d)

The work area must be properly

ventilated.

130.

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

a)

Wear protective clothing.

b)

Stand in front of the gauges when opening

the cylinders so you can see the amount of

pressure.

c)

The acetylene hose has fittings with left-

handed threads.

d)

The oxygen hose has fittings with

right-handed threads.

131.

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

a)

fusion

b)

welding

c)

tinning

d)

bonding

132.

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

achieve temperature control?

a)

“work the flame”

b)

“control the flame”

c)

“alter the flame”

d)

“play the flame”

133.

Acetylene is dangerous because it is

a)

compressed

b)

flammable

c)

explosive

d)

all of the above

134.

Gas leaks on the oxyacetylene rig are checked with

a)

compressed air

b)

a flame

c)

soapy water

d)

teflon

135.

Removing gas from oxyacetylene equipment is known as

a)

bleeding the lines

b)

gas removal

c)

blowing out the lines

d)

fuel and air removal

136.

The acetylene cylinder valve never opened more than

a)

a half turn

b)

one turn

c)

two turns

d)

it doesn’t matter

137.

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

a)

a. gauge

b)

b. regulator

c)

c. cylinder

d)

c. cylinder

138.

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

rig?

a)

a. brazing flame

b)

b. oxidizing flame

c)

c. carbonizing flame

d)

d. neutral flame

139.

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

a)

a. No. 5

b)

b. No. 10

c)

c. No. 12

d)

d. No. 15

140.

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

lens?

a)

a. No. 5

b)

b. No. 8

c)

c. No. 10

d)

d. No. 12

141.

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

a)

a. work load

b)

b. life cycle

c)

c. current load

d)

d. duty cycle

142.

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

a)

a. 10 minutes

b)

b. 12 minutes

c)

c. 15 minutes

d)

d. 20 minutes

143.

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

a)

a. Alternating current

b)

b. Direct current

c)

c. Recycled current

d)

d. Replaced current

144.

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

a)

a. Alternating current

b)

b. Direct current

c)

c. Recycled current

d)

d. Replaced current

145.

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

a)

a. transformers

b)

b. recifiers

c)

c. inverters

d)

d. converters

146.

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

a)

a. Energy

b)

b. Electric

c)

c. Energizer

d)

d. Electrode

147.

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

a)

a. tensile strength in hundreds of pounds per

square inch

b)

b. tensile strength in thousands of pounds per

square inch

c)

c. compression strength in hundreds of

pounds per square inch

d)

d. compression strength in thousands of

pounds per square inch

148.

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

a)

a. welding material

b)

b. welding size

c)

c. welding current

d)

d. welding position

149.

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

a)

a. welding material

b)

b. welding size

c)

c. welding current

d)

d. welding position

150.

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

a)

a. overhead

b)

b. flat

c)

c. horizontal

d)

d. lateral

151.

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

a)

a. 10-15 psi

b)

b. 25-30 psi

c)

c. 40-50 psi

d)

d. It doesn’t matter

152.

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

a)

a. Acetylene

b)

b. Argon

c)

c. CO2

d)

d. Argon and CO2 mix

153.

Which of the following gases is considered to be flammable:

a)

a. argon

b)

b. CO2

c)

c. acetylene

d)

d. They are all flammable

154.

What is one advantage of MIG welding over stick welding?

a)

a. It can be used to weld thicker gauge metal.

b)

b. It does not have slag to be chipped off.

c)

c. A MIG welder is cheaper to purchase than

a sticker welder.

d)

d. There are no advantages.

155.

Most MIG welding equipment is

a)

a. manual

b)

b. robotic

c)

c. automatic

d)

d. semiautomatic

156.

Which of the following is not a weld defect?

a)

undercut

b)

insufficient penetration

c)

pits

d)

behind cut

157.

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

a)

Tungsten electrodes are not consumed

during the welding process.

b)

Gas pressure should be set at

approximately 25-30 psi.

c)

A filler rod is normally used when

welding especially on thicker metal.

d)

Tungsten electrodes have a very low

melting point.

158.

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

a)

It produces a cleaner bead than MIG

b)

Argon can be used as the shielding gas

c)

It is faster than MIG

d)

It is easier to weld thinner gauge metal

than with stick welding.

159.

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

a)

gauge

b)

collet body

c)

collet

d)

Tungsten electrode

160.

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

a)

Class A only

b)

Class B only

c)

Class C only

d)

Class A, B and C

161.

Which of the following i s needed in the welding area in case of emergency?

a)

ladder

b)

welding gas

c)

fire blanket

d)

spare electrodes

162.

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

a)

tapping method

b)

touching method

c)

down and up method

d)

arcing method

163.

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

a)

arcing method

b)

start up method

c)

scratch method

d)

dragging method

164.

Another name for a fillet weld is called a/an

a)

“T” weld

b)

“Butt” weld

c)

“Lap” weld

d)

“Overhang” weld

165.

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

a)

path

b)

pass

c)

weave

d)

foundation bead

166.

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

a)

foundation pass

b)

initial pass

c)

root pass

d)

base pass

167.

The angle of the electrode when stick welding should be

a)

90 degrees from the vertical position

b)

60 degrees from the vertical position

c)

30-45 degrees from the vertical position

d)

10-15 degrees from the vertical position

168.

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

a)

the sound of the arc

b)

the appearance of the bead

c)

welding experience

d)

all of the above

169.

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

a)

water boiling

b)

bacon frying

c)

eggs boiling

d)

the sound doesn’t matter

170.

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

a)

booing

b)

scratching

c)

soft

d)

soft

171.

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

a)

The metal gets too hot.

b)

The welder will shut off.

c)

The electrode sticks to the metal

d)

Nothing. It needs to be short.

172.

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

a)

The molten puddle will burn a hole in the

base metal.

b)

It will be difficult to strike the arc and

keep it running.

c)

It will result in a wide bead.

d)

It will cause a lot of splatter.

173.

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

a)

Nothing will happen.

b)

The welder will shut off.

c)

It will result in a narrow, stringy bead.

d)

It will result in a wide bead.

174.

Indicators of excessive heat when welding would include:

a)

the puddle burns through the metal

b)

the arc is very noisy

c)

neither a nor b

d)

both a and b

175.

Indicators of excessive heat when welding would include:

a)

It is difficult to manage the puddle.

b)

The arc will not strike.

c)

The bead is wavy.

d)

The bead is narrow.

176.

A bead is a bead that is made without weaving.

a)

stringer

b)

flat

c)

line

d)

restricted

177.

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

a)

hole

b)

puddle

c)

crater

d)

convex

178.

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.

a)

hot pockets

b)

puddles

c)

voids

d)

You don’t have to remove the slag.

179.

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

a)

mild steel

b)

stainless steel

c)

galvanized

d)

It doesn’t matter.

180.

The output of a welder is relatively

a)

low voltage and high amperage

b)

high voltage and low amperage

c)

high voltage and high amperage

d)

low voltage and low amperage

181.

A chipping hammer is used to

a)

prepare edges for welding

b)

remove scale from steel

c)

temper beads

d)

remove slag

182.

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

a)

welding helmet

b)

safety glasses

c)

welding gloves

d)

spare electrodes

183.

The temperature of the electric welding arc is about

a)

400 degrees F

b)

840 degrees F

c)

1800 degrees F

d)

9000 degrees F

184.

Welding tables should be made of

a)

concrete

b)

masonite

c)

metal

d)

wood

185.

Burning clothes on a human should be extinguished with

a)

fire blanket

b)

fire extinguisher

c)

sand

d)

any of these

186.

Water in a welding area is useful for

a)

receiving sparks from piercing

b)

extinguishing fires

c)

cooling metal

d)

all of the above

187.

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

a)

E6010

b)

E6011

c)

E6013

d)

E7018

188.

For most welding in agricultural mechanics the best electrode size is

a)

1/16 inch

b)

1/8 inch

c)

3/16 inch

d)

d. 1/4 inch

189.

The correct arc length when welding is approximately

a)

1/8 inch

b)

1/4 inch

c)

3/8 inch

d)

1/2 inch

190.

When welding, the operator sees by

a)

daylight

b)

flourescent light

c)

light from the arc

d)

all of the above

191.

The appearance and strength of a bead are influenced by

a)

amps

b)

angle

c)

speed

d)

all of the above

192.

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

a)

circular

b)

figure eight

c)

J

193.

In metal, the most rapid movement of heat is

a)

down

b)

up

c)

horizontal

d)

equal in all directions

194.

To make a hole with an electrode is called

a)

cutting

b)

electroding

c)

piercing

d)

brazing

195.

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

a)

25 %

b)

50 %

c)

75 %

d)

100 %

196.

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

a)

flat

b)

horizontal

c)

vertical down

d)

vertical up

197.

Joining parts by melting them together is known as

a)

oxidation

b)

carbonizing

c)

fusion welding

d)

heat welding

198.

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

a)

electrode clamp

b)

ground clamp

c)

welder clamp

d)

positive clamp

199.

How many cables does a welder have?

a)

1

b)

2

c)

3

d)

4

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