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WorksheetsAbrasives
Total questions: 12
Worksheet time: 6mins
What are abrasives?
hard and sharp materials that cuts and wear away a softer material.
sand used in the manufacturing of sandpapers
resins used to bond materials together
sharp material used to cut wood, plastics and metals
Which of the following is NOT a component of sandpaper?
backing material
abrasive
bonding agent
sand
Which of the following abrasives is the most commonly used for woodworking?
Flint
Aluminum Oxide
Garnet
Silicon Carbide
Which of the following abrasives is commonly called "wet & dry" sandpaper?
Flint
Garnet
Aluminum Oxide
Silicon Carbide
What is the standard size of a sheet of sandpapers?
8" X 12"
9" X 11"
9" X 12"
8" X 11"
Which of the abrasive materials listed below is the hardest and sharpest?
Flint
Garnet
Aluminum Oxide
Silicon Carbide
Numbers are used to tell the coarseness of an abrasive material/sandpaper. Which of the following is the coarsest?
220
180
120
80
Numbers are used to tell the coarseness of an abrasive material/sandpaper. Which of the following is the finest?
220
180
120
80
What are the two main methods used when applying the abrasive grains to the backing materials.
Compact and open coating
Closed and Open coating
Single and Open coating
Single and Double coating
Which of the following abrasive materials is NOT used for wood sanding?
Garnet
Aluminum Oxide
Emery
Silicon Carbide
The weights of paper used for coated abrasive backings are designated by which group of letters?
A, B ,C, J , X
A, B, E, J, X
A, B, C, D, E
C, D, E, J, X
The weights of cloths used for abrasive backings are indicated by which TWO letters?
J and X
D and E
E and J
X and Y
