Ceramic tiles: terms and definitions

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Question 1

The existence of ceramic slabs with different types of surfaces is the result of successful experiments by manufacturers. The most popular of them can be considered surface polishing (with its variations). Select the correct definitions or statements.

Score: -8.5714285714286 out of 10

Your Answer	Option	Right?	Result
	Tiles with a matte surface are not only the most affordable, since they do not require additional processing, but also the most durable.		1
	A polished surface is obtained by special matte polishing.		1
	Polished porcelain tiles are less slippery than polished ones, but due to the smooth surface of such tiles, they are easy to clean.		1
	A matte surface is more slippery than, for example, polished or glazed.		-5
	The tile that comes out of the kiln and is not subjected to additional mechanical treatment after firing has a matte surface.		0
	Polished Surface - The surface of glazed or unglazed ceramic tiles and slabs that is polished at the final stage of manufacture to impart shine.		0
	When polishing, the topmost “sintered” layer is cut off. As a result, polished porcelain stoneware is slightly inferior to matte in terms of performance characteristics, in particular, wear resistance.		0
	When exposed to water, polished tiles become very slippery.		1
	To obtain polished tiles, their surface is polished with special diamond nozzles using a large number of chemicals.		-5

Material on this issue is presented in the article Porcelain tiles - many faces and diversity .

Question 2

Glazed ceramic tiles can be used to cover walls and floors. Which of the following statements regarding glaze are true?

Score: 0 out of 10

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.		0
	Glaze, consisting of frits only, is used only to achieve a shiny surface on some types of wall tiles.		0
	Glaze is a shiny or enamel glassy layer in the form of a thin film (1 - 3 mm).		0
	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
	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.		0
	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

Material on this issue is in the article Glaze general concepts and classification .

Question 3

Ceramic tiles and rectangular slabs come in a range of sizes. The names of these sizes and definitions are given below. Which pairs - term and definition - correspond to reality?

Score: 6.6666666666667 out of 10

Your Answer	Option	Right?	Result
	Technological size (W) - A size established for the manufacturing process of ceramic tiles and slabs, which must correspond to the actual size within acceptable deviations.		1
	Coordination size (C) - Technological size, including the width of the seam.		1
	Non-modular dimensions - Dimensions that do not take into account the modular (M) structure. NOTE See ISO 1006, where 1M = 100 mm.		0
	Modular size - Dimensions of ceramic tiles and slabs determined on the basis of module M, as well as their multiple and divisible, with the exception of tiles and slabs with a front surface area of less than 9000 mm2. NOTE See ISO 1006, where 1M = 100 mm.		0
	Actual size - The size obtained by measuring the surface of ceramic tiles and slabs in accordance with EN ISO 10545-2.		1
	The dimensions of tiles and slabs of other shapes are determined by the largest size of the rectangle in which they are inscribed		0
	Nominal size - Size used to designate a product.		1

Material on this issue is set out in standard EN 14411 .

Question 4

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:

Score: 10 out of 10

Your Answer	Option	Right?	Result
	Cottoforte		0
	Gres red		1
	Majolica		0
	Clinker		1
	Cotto (terracotta)		1
	Gres Porcellanato (ceramic granite)		1
	Extruded gres		1

Information on this issue is presented in the article Unglazed tiles .

Question 5

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?

Score: 0 out of 10

Your Answer	Option	Right?	Result
	Ceramic tile		0
	Dishes		0
	Facing brick		0
	Pipes		0
	Compositions, for example, a vase with flowers, a girl on a swing, etc.		0
	Tile		1
	Roof tiles		-1
	Brick		-1
	Expanded clay		0

Information on this issue is presented in the article Ceramic products, facing ceramics .

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Ceramic tiles: terms and definitions

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