The passing level of the test has been passed. Congratulations.
The result obtained indicates excellent knowledge of the technical characteristics of ceramic tiles. But still read articles on incorrectly answered questions.
You scored 45 out of 50 possible points.
Your result: 90%
Question 1
Ceramic products can be divided into three groups:
building ceramics;
facing ceramics;
art ceramics.
Which of the following products can be classified as veneer ceramics?
Your Answer Option Right? Result
Tile
1 Dishes
0 Ceramic tile
1 Pipes
0 Facing brick
1 Expanded clay
0 Brick
0 Roof tiles
0 Compositions, for example, a vase with flowers, a girl on a swing, etc.
0
Information on this issue is presented in the article Ceramic products, facing ceramics .
Question 2
Unglazed tiles consist of one layer - a ceramic shard. The color is obtained from the raw material or is colored by metal oxides throughout the tile body (tile). The surface can remain untreated (natural) or be processed, taking on various surfaces: polished, honed, rusticated, structured, etc. Unglazed tiles include:
Your Answer Option Right? Result
Clinker
0 Gres Porcellanato (ceramic granite)
1 Gres red
1 Extruded gres
1 Majolica
0 Cottoforte
0 Cotto (terracotta)
1
Information on this issue is presented in the article Unglazed tiles .
Question 3
Glazed ceramic tiles can be used to cover walls and floors. Which of the following statements regarding glaze are true?
Your Answer Option Right? Result
Tsek is a type of glaze defect. This occurs due to the difference in the expansion coefficients of the shard and the glaze itself. The center has the appearance of web-like cracks.
1 Transparent glazes are also called enamels.
0 The chemical composition of the glaze and the ceramic shard is different. Their thermal expansion also varies in size.
1 Glaze is a shiny or enamel glassy layer in the form of a thin film (1 - 3 mm).
0 The fragility of the adhesion of the glaze to the shard is expressed in the formation of a network of cracks in the glaze layer (cek) or the detachment of the glaze from the shard after firing and cooling.
1 Glaze, consisting of frits only, is used only to achieve a shiny surface on some types of wall tiles.
1 Frit is a special type of glass that, during the firing of the tile, melts and adheres tightly to the shard.
1 Transparent glazes are colorless and colored.
1
Material on this issue is in the article Glaze general concepts and classification .
Question 4
Ceramic tiles and slabs are used mainly for flooring and wall cladding. As a rule, they are molded at room temperature using the extrusion method (method A) or the semi-dry pressing method (method B). Indicate what types of ceramic tiles are molded using the semi-dry pressing method (method B).
Your Answer Option Right? Result
Clinker
0 Majolica
0 Cotto (terracotta)
0 Cottoforte
1 Gres red
1 Porcelain tiles
1
Information on this issue can be found on the forum Classification of tiles and area of use .
Question 5
Standards, articles and books use specialized ceramic tile terms. Below are such terms and their definitions. Which pairs - term and definition - correspond to reality?
Your Answer Option Right? Result
Semi-dry pressed ceramic tiles and slabs - Ceramic tiles and slabs produced by pressing a powdered mass into molds under high pressure.
1 Water absorption (E) - Water absorption is determined as a percentage by mass in accordance with EN ISO 10545-3.
1 Ceramic tiles and slabs with an engobed surface are considered glazed.
0 Glaze - A thin glassy sintered layer covering the surface of a ceramic tile or slab that is waterproof
1 Extruded ceramic tiles and slabs - Ceramic tiles and slabs cut to a specified length from a strip formed by an extruder from a plastic mass.
1 Angobed Surface - A thin layer of clay slurry applied to the surface of a ceramic tile or slab that has a matte appearance and may be permeable or waterproof.
1
Material on this issue is presented in standard EN 14411 .
