Question 1

The temperature of a welding arc is dependent on the ____, arc length, and atmosphere.

Accepted Answer

A)  wattage 
B)  capacitance 
C)  amperage 
D)  voltage 
A)  wattage 
B)  capacitance 
C)  amperage 
D)  voltage

Question 2

Electrons flow through a conductor ____.

Accepted Answer

A)  from negative to positive 
B)  from positive to negative 
C)  from negative to negative 
D)  from positive to positive 
A)  from negative to positive 
B)  from positive to negative 
C)  from negative to negative 
D)  from positive to positive

Question 3

A(n) ____ produces AC, and a(n) ____ produces DC.

Accepted Answer

A)  alternator, generator 
B)  generator, alternator 
C)  diode, alternator 
D)  generator, diode 
A)  alternator, generator 
B)  generator, alternator 
C)  diode, alternator 
D)  generator, diode

Question 4

The ____ machine allows the selection of different current settings by tapping into the secondary coil at a different turn value.

Accepted Answer

A)  inverter 
B)  transformer 
C)  multiple-coil 
D)  movable-coil 
A)  inverter 
B)  transformer 
C)  multiple-coil 
D)  movable-coil

Question 5

Explain what magnetic flux lines are and how they may cause a wire to move when welding with very high amperages.

Accepted Answer

When electrons flow they create lines of

Question 6

A transformer with more turns of wire in the primary winding than in the secondary winding is known as a ____.

Accepted Answer

A)  welding transformer 
B)  low-amperage transformer 
C)  step-down transformer 
D)  high-voltage transformer 
A)  welding transformer 
B)  low-amperage transformer 
C)  step-down transformer 
D)  high-voltage transformer

Question 7

Which of the following is true of shielded metal arc welding?

Accepted Answer

A)  The machine and the electrodes are expensive. 
B)  Metal as thin as 1/16 inch to several feet thick can be welded using the same machine. 
C)  There is a lot of equipment required, and it is difficult to move. 
D)  The process is not suitable for cast iron, aluminum, stainless steel or nickel. 
A)  The machine and the electrodes are expensive. 
B)  Metal as thin as 1/16 inch to several feet thick can be welded using the same machine. 
C)  There is a lot of equipment required, and it is difficult to move. 
D)  The process is not suitable for cast iron, aluminum, stainless steel or nickel.

Question 8

____ controls the size of the arc.

Accepted Answer

A)  Voltage 
B)  Amperage 
C)  Heat 
D)  Wattage 
A)  Voltage 
B)  Amperage 
C)  Heat 
D)  Wattage

Question 9

​The unit of measure of electrical flow is ____________.

Accepted Answer

A)  ​Volts 
B)  ​Amps 
C)  ​Watts 
A)  ​Volts 
B)  ​Amps 
C)  ​Watts

Question 10

____________________ is the measurement of the total number of electrons flowing.

Accepted Answer

Amperage
A

Question 11

The negative side of an electrode arc is called a(n) ____________________.

Accepted Answer

The answer of The negative side of an electrode arc...

Question 12

The amount of heat produced by a welding arc is determined by the ____.

Accepted Answer

A)  amperage 
B)  wattage 
C)  voltage 
D)  capacitance 
A)  amperage 
B)  wattage 
C)  voltage 
D)  capacitance

Question 13

A(n) ____________________ allows a current to flow in one direction only.

Accepted Answer

The answer of A(n) ____________________ allows a current to flow...

Question 14

​Temperature is the measurement of ________ energy in a material.

Accepted Answer

A)  ​voltage 
B)  ​mechanical 
C)  ​electrical 
D)  ​thermal 
A)  ​voltage 
B)  ​mechanical 
C)  ​electrical 
D)  ​thermal

Question 15

A work clamp ____.

Accepted Answer

A)  may have power losses that should be ignored 
B)  reduces welding efficiency 
C)  must not clamp too tightly to the material 
D)  should be carefully touched occasionally to determine if it is hot 
A)  may have power losses that should be ignored 
B)  reduces welding efficiency 
C)  must not clamp too tightly to the material 
D)  should be carefully touched occasionally to determine if it is hot

Question 16

Resistance to the flow of electrons produces ____.

Accepted Answer

A)  electricity 
B)  voltage 
C)  light 
D)  heat 
A)  electricity 
B)  voltage 
C)  light 
D)  heat

Question 17

​The unit of measure of electrical power is ____________.

Accepted Answer

A)  ​Volts 
B)  ​Amps 
C)  ​Watts 
A)  ​Volts 
B)  ​Amps 
C)  ​Watts

Question 18

The ______________________________ is the percentage of time a welding machine can be used continuously.

Accepted Answer

The answer of The ______________________________ is the percentage of time...

Question 19

​The unit of measure of electrical pressure is ______________.

Accepted Answer

A)  ​Volts 
B)  ​Amps 
C)  ​Watts 
A)  ​Volts 
B)  ​Amps 
C)  ​Watts

Question 20

Explain how generators and alternators work, and the similarities and differences between them.

Accepted Answer

Generators and alternators both produce

Exam 3: Shielded Metal Arc Equipment, Setup, and Operation

The temperature of a welding arc is dependent on the ____, arc length, and atmosphere.

Electrons flow through a conductor ____.

A(n) ____ produces AC, and a(n) ____ produces DC.

The ____ machine allows the selection of different current settings by tapping into the secondary coil at a different turn value.

Explain what magnetic flux lines are and how they may cause a wire to move when welding with very high amperages.

A transformer with more turns of wire in the primary winding than in the secondary winding is known as a ____.

Which of the following is true of shielded metal arc welding?

____ controls the size of the arc.

​The unit of measure of electrical flow is ____________.

____________________ is the measurement of the total number of electrons flowing.

The negative side of an electrode arc is called a(n) ____________________.

The amount of heat produced by a welding arc is determined by the ____.

A(n) ____________________ allows a current to flow in one direction only.

​Temperature is the measurement of ________ energy in a material.

A work clamp ____.

Resistance to the flow of electrons produces ____.

​The unit of measure of electrical power is ____________.

The ______________________________ is the percentage of time a welding machine can be used continuously.

​The unit of measure of electrical pressure is ______________.

Explain how generators and alternators work, and the similarities and differences between them.

Introduction to Welding

Safety in Welding

Shielded Metal Arc Welding of Plate

Shielded Metal Arc Welding of Pipe

Shielded Metal Arc Welding Aws Sense Certification

Flame Cutting

Plasma Arc Cutting

Related Cutting Processes

Gas Metal Arc Welding Equipment, Setup, and Operation

Gas Metal Arc Welding

Flux Cored Arc Welding Equipment, Setup, and Operation

Flux Cored Arc Welding

Gas Metal Arc and Flux Cored Arc Welding of Pipe

Gas Metal Arc and Flux Cored Arc Welding Aws Sense Certification

Gas Tungsten Arc Welding Equipment, Setup, Operation, and Filler Metals

Gas Tungsten Arc Welding of Plate

Gas Tungsten Arc Welding of Pipe

Gas Tungsten Arc Welding Plate and Pipe Aws Sense Certification

Shop Math and Weld Cost

Reading Technical Drawings

Welding Joint Design and Welding Symbols

Fabricating Techniques and Practices

Welding Codes and Standards

Testing and Inspection of Welds

Welding Metallurgy

Weldability of Metals

Filler Metal Selection

Welding Automation and Robotics

Other Welding Processes

Oxyfuel Welding and Cutting Equipment, Setup, and Operation

Oxyacetylene Welding

Brazing, Braze Welding, and Soldering

Filters

A(n) produces AC, and a(n) produces DC.

The unit of measure of electrical flow is ____________.

Temperature is the measurement of ________ energy in a material.

The unit of measure of electrical power is ____________.

The unit of measure of electrical pressure is ______________.