CTI CTI Tools & Equipment

Question 1

Which type of trowel is most commonly used to apply thin-set mortar for large-format tiles?

Accepted Answer

Square-notch trowel

Answer

V-notch trowel

Answer

U-notch trowel

Answer

Margin trowel

Question 2

What is the primary purpose of a rubber mallet in tile installation?

Accepted Answer

Embedding tiles firmly into mortar without cracking them

Answer

Cutting tiles to size

Answer

Mixing mortar

Answer

Removing old grout

Question 3

Which saw is best suited for cutting curves and irregular shapes in ceramic tile?

Accepted Answer

Rotary tool with diamond bit

Answer

Angle grinder

Answer

Tile wet saw

Answer

Score-and-snap cutter

Question 4

What does a tile lippage leveling system primarily help prevent?

Accepted Answer

Uneven tile edges that create height differences between adjacent tiles

Answer

Grout cracking

Answer

Tile discoloration

Answer

Mortar shrinkage

Question 5

When should a diamond blade wet saw be used instead of a score-and-snap cutter?

Accepted Answer

For porcelain or stone tiles that are too hard or thick to snap cleanly

Answer

Only for wall tiles

Answer

Only for mosaic tiles

Answer

When no water is available on site

Question 6

What is the correct way to check for hollow spots under an installed tile?

Accepted Answer

Use a wooden or metal sounding tool and tap lightly across the surface

Answer

Press firmly on each tile corner

Answer

Tap the tile surface with a grout float

Answer

Pull the tile up and re-examine the mortar