Test review

Question 1

What are the 3 reasons for firing?

Answer 1

Permanency, utility, beauty

Question 2

What is the range of temperatures on the ceramic temperatures chart?

Answer 2

Cone 012 - cone 13, or 1623 degrees to 2462

Question 3

What temperature has to be reached to eliminate moisture from clay?

Answer 3

350 - 450 degrees

Question 4

What temperature must be reached to eliminate the chemically combined water from clay?

Answer 4

950-1300

Question 5

At what temperature is quartz conversion reached?

Answer 5

1850 (cone 06-05)

Question 6

When alumina and silica begin to crystallize and harden.

Answer 6

Quartz conversion

Question 7

Inversion takes place in several chemical stages with resultant expansion and shrinkage during the _________ and ___________.

Answer 7

Firing and cooling process

Question 8

The ____________ in clay and glazes sets temperature at which omelette crystallization occurs.

Answer 8

Silica/flux ratio

Question 9

During a bisque firing, green ware is fired to:

Answer 9

Cone 06, 1831 degrees

Question 10

During glaze firings, glazed bisque is fired in a reduction atmosphere to:

Answer 10

Cone 10, 2381 degrees

Question 11

Cone 8(2305) - cone 13 (2462)

Answer 11

Stoneware,porcelain

Question 12

Cone 5 92185) - cone 13 (2462)

Answer 12

Salt

Question 13

Cone 2 (2142) - cone 7 (2264)

Answer 13

Medium fire

Question 14

Cone 022 (1112) - cone 1 (2109)

Answer 14

Earthenware

Question 15

Cone 017 (1382) -cone 06 (1830)

Answer 15

Raku

Question 16

Cutting or carving a line into clay:

Answer 16

Incising

Question 17

Scratching slip decoration to reveal the clay underneath

Answer 17

Sgraffito

Question 18

Attaching mold produced designs to leather hard clay by scoring and slipping

Answer 18

Sprigging

Question 19

Applying slip with a syringe to crate lines, which can then be combed or feathered.

Answer 19

Slip trailing

Question 20

Applying colored clip to leatherhard clay using a brush

Answer 20

Slip decoration

Question 21

Pressing a textured surface or design into clay

Answer 21

Stamping

Question 22

A preliminary firing to prepare clay forms for glazing without fear of breakage

Answer 22

Bisque

Question 23

A clay form that has been bisque fired

Answer 23

Biscuit

Question 24

Clays can shrink from.

Answer 24

12-25 percent, called shrinkage

Question 25

To soak a material in water

Answer 25

Slake