Intro to Metalworking SGO#2

• The volume of a cylinder

• The area of a cylinder

• The circumference of a cylinder

• The volume of a circle

What is a ratio?

• A comparison of numbers that indicates their sizes in relation to each other

• A similarity within a boundary

• A determination of equal proportion

• A set of numbers that indicates their relation to pi

What type of mathematical problem is a ratio?

• Division

• Multiplication

• Square Root

• Algebraic

What is the purpose of the gases in MIG welding?

• To protect the puddle from atmospheric contaminants

• To create a plasma environment around the puddle

• They help to maintain a stable arc

• Because an electrical arc can flow easier through a gaseous environment

What are the units of volume?

• Cubic Centimeters

• Cubic Milliliters

• Square Inches

• Square Meters

Archimedes' Principle states that the buoyant force on an object immersed in liquid is equal to what?

• The weight of the displaced liquid

• The density of the displaced liquid

• Volume of the displaced liquid

• A ratio of the other 3

Volume can be found using what other information?

• Density and Mass

• Mass and Weight

• Mass and Area

• Density and Area

GMAW stands for ....

• Gas Metal Arc Welding

• Grounded Metal Arc Welding

• Grounded Metal Alternate Welding

• Gas Metal Arc Wire

What is the common name for GMAW?

• MIG

• TIG

• STICK

• FLUX CORE

The wire used in GMAW is made of copper.

• TRUE

• FALSE