Ceramic tiles: terms and definitions

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You scored -42 out of 50 points.

Your result: -84%

Question 1

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
	Frit is a special type of glass that, during the firing of the tile, melts and adheres tightly to the shard.		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.		0
	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
	Transparent glazes are colorless and colored.		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.		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).		-1

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

Question 2

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).

Score: -47.5 out of 10

Your Answer	Option	Right?	Result
	Gres red		0
	Majolica		0
	Cotto (terracotta)		-10
	Clinker		-10
	Porcelain tiles		1
	Cottoforte		0

Information on this issue can be found on the forum Classification of tiles and area of use .

Question 3

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
	Roof tiles		0
	Dishes		0
	Expanded clay		0
	Facing brick		1
	Ceramic tile		0
	Tile		0
	Compositions, for example, a vase with flowers, a girl on a swing, etc.		0
	Pipes		0
	Brick		0

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

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: 2 out of 10

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

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

Question 5

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: 3.3333333333333 out of 10

Your Answer	Option	Right?	Result
	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
	Nominal size - Size used to designate a product.		1
	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.		0
	Actual size - The size obtained by measuring the surface of ceramic tiles and slabs in accordance with EN ISO 10545-2.		1
	Non-modular dimensions - Dimensions that do not take into account the modular (M) structure. NOTE See ISO 1006, where 1M = 100 mm.		0
	The dimensions of tiles and slabs of other shapes are determined by the largest size of the rectangle in which they are inscribed		0
	Coordination size (C) - Technological size, including the width of the seam.		0

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

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Ceramic tiles: terms and definitions

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