Glass and Ceramics

Question 1

Which of the following is a characteristic of feldspar?

Answer 1

Feldspar is an aluminosilicate mineral that contains calcium, sodium, or potassium.

Question 2

What is kaolinite?

Answer 2

A clay mineral

Question 3

Which of the following is a characteristic of quartz?

Answer 3

Quartz is a super common mineral made of silicon and oxygen.

Question 4

What is the purpose of a kiln in ceramic production?

Answer 4

To harden and heat-resist the clay objects

Question 5

Porous whitewares have:

Answer 5

Low vitrification and high water absorption

Question 6

What is the purpose of deairing in the stiff-mud process?

Answer 6

To remove trapped air for improved consistency and fewer defects

Question 6

What is a major challenge faced by the whiteware industry due to its reliance on raw
materials?

Answer 6

Price fluctuations and supply chain disruptions

Question 7

Which among the raw materials is recycled glass?

Answer 7

Cullet

Question 8

The following are using mechanized methods in plastic forming except:

Answer 8

Hand modeling

Question 9

_ is a heated furnace used for annealing glass

Answer 9

Lehr

Question 10

The Vitrification Process is used to _______________.

Answer 10

bond compounds

Question 10

What is the earliest known ceramic figurine, created in the Prehistoric Era?

Answer 10

Venus of Dolní Vestonice

Question 11

Mullite is used in ceramic workshops to create ____________.

Answer 11

uniform sheets

Question 12

Glass Cutting and Handling Machinery is used to ________________.

Answer 12

cut glass

Question 12

______________ whitewares are characterized by its translucence due to glass
formation and water resistance.

Answer 12

Vitreous

Question 13

______________ are one of the ceramic products that are known for their resistance to
extreme temperatures and the thermal, chemical, and physical effects of furnace
procedures.

Answer 13

Refractories

Question 14

______________ typically has high-temperature resistance and exceptional chemical
resistance, allowing it to withstand attack by acids, alkalis, and other corrosive agents,
making them ideal for cookware and heat exchangers used in demanding environments
exceeding 1000°F (538°C).

Answer 14

Enamels

Question 15

___________ is the main ingredient of ceramic paste.

Answer 15

Clay

Question 16

In plastic forming, this method uses clay with more water because it is more easily
formed.

Answer 16

Manual methods

Question 17

A heat treatment process to sinter the ceramic materials.

Answer 17

Firing