Welding Math 3

A welding operator needs to cut a piece of metal that is 48 inches long into 6 equal sections. How long is each section?

• 6 inches

• 8 inches

• 10 inches

• 12 inches

A welding project requires 3 steel plates, each 0.25 inches thick. What is the total thickness of the plates when stacked together?

• 0.75 inches

• 0.85 inches

• 1 inch

• 1.25 inches

• 502.4 cubic feet

• 125.6 cubic feet

• 314 cubic feet

• 628 cubic feet

A welder needs to apply a bead of weld that is 9 feet long. If each inch of weld uses 0.1 ounces of welding rod, how many ounces are needed for the entire weld?

• 10.8 ounces

• 9 ounces

• 8 ounces

• 7.2 ounces

The perimeter of a rectangular metal sheet is 62 inches. If the length of the sheet is 25 inches, what is the width?

• 6 inches

• 12 inches

• 18 inches

• 24 inches

A welder has a spool of wire that weighs 5 pounds and can cover 250 feet. How much does 1 foot of wire weigh?

• 0.02 pounds

• 0.2 pounds

• 0.02 ounces

• 0.2 ounces

If a welding job requires a metal rod that is 3.5 feet long to be cut into pieces each 0.5 feet long, how many pieces can be cut from the rod?

• 5 pieces

• 6 pieces

• 7 pieces

• 8 pieces

A welder uses a tank of gas that decreases by 0.15 cubic feet per minute. If the tank starts with 12 cubic feet of gas, how many minutes will the gas last?

• 60 minutes

• 70 minutes

• 80 minutes

• 90 minutes

A square metal plate has a side length of 16 inches. What is the area of the plate?

• 256 square inches

• 64 square inches

• 128 square inches

• 32 square inches

A metal beam is 20 feet long and needs to be cut into sections that are 2.5 feet each. How many sections can be made from the beam?

• 6 sections

• 7 sections

• 8 sections

• 9 sections