Modelling and Casting: Master 3D Design with Clay, Plaster, and Papier-Mâché

Question 1

Which of the following materials is NOT commonly used in modelling and casting?

Accepted Answer

Cardboard

Answer

Clay

Answer

Papier-mâché

Answer

Bronze

Question 2

In lost-wax casting, molten metal is poured into a mould created from what material?

Accepted Answer

Wax

Answer

Clay

Answer

Plaster

Answer

Papier-mâché

Question 3

Which of the following statements accurately describes a positive mould?

Accepted Answer

It has the same shape as the final object

Answer

It has the opposite shape of the final object

Answer

It is made of a soft and flexible material

Answer

It is made of a hard and rigid material

Question 4

Which advantage does papier-mâché offer in modelling and casting?

Accepted Answer

It is lightweight and can be easily moulded

Answer

It dries quickly and does not shrink significantly

Answer

It is resistant to moisture and heat

Answer

It is suitable for creating intricate details

Question 5

In slip casting, what is the purpose of the slip?

Accepted Answer

To create a liquid mixture that is poured into the mould

Answer

To coat the inside of the mould to prevent sticking

Answer

To add colour to the cast object

Answer

To strengthen the cast object after drying

Question 6

Which tool is primarily used to create smooth surfaces on clay models?

Accepted Answer

Ribs

Answer

Modelling knives

Answer

Spoons

Answer

Loops

Question 7

In lost-wax casting, what is the function of a burnout oven?

Accepted Answer

To remove the wax from the mould

Answer

To prepare the mould for casting by heating it

Answer

To cool the cast object after removal from the mould

Answer

To add colour to the cast object

Question 8

Which material is NOT commonly used in modelling and casting?

Accepted Answer

Rubber

Answer

Clay

Answer

Plaster

Answer

Papier-mâché

Question 9

What is the purpose of using release agents in casting?

Accepted Answer

To prevent the cast from adhering to the mould

Answer

To enhance the surface finish of the cast

Answer

To make the cast stronger

Answer

To add colour to the cast

Question 10

Which of the following is a primary material used in modelling?

Accepted Answer

Clay

Answer

Wood

Answer

Cardboard

Answer

Metal

Question 11

What is the purpose of creating a mould in casting?

Accepted Answer

To create multiple identical copies of the model

Answer

To shape the final form

Answer

To provide support during firing

Answer

To smooth the surface of the final form

Question 12

Which of the following is not a type of casting?

Accepted Answer

Paper folding

Answer

Lost-wax casting

Answer

Centrifugal casting

Answer

Slip casting

Question 13

What is the primary purpose of casting in art?

Accepted Answer

To create multiple identical copies of a sculpture

Answer

To make a mold for a sculpture

Answer

To add texture to a sculpture

Answer

To change the size of a sculpture

Question 14

Which of the following techniques is used to create a hollow form using liquid materials?

Accepted Answer

Slip casting

Answer

Solid casting

Answer

Lost-wax casting

Answer

Centrifugal casting

Question 15

Which of the following safety precautions is not necessary when working with plaster?

Accepted Answer

Wearing a hard hat

Answer

Wearing a dust mask

Answer

Working in a ventilated area

Answer

Using gloves

Question 16

Which material is best suited for creating a permanent mold for casting?

Accepted Answer

Silicone

Answer

Plaster

Answer

Papier-mâché

Answer

Clay

Question 17

Slip casting involves:

Accepted Answer

Pouring liquid clay into a plaster mold

Answer

Pressing clay into a mold

Answer

Carving a shape directly into clay

Answer

Firing clay in a kiln

Question 18

Which of the following is NOT an application of casting?

Accepted Answer

3D printing

Answer

Sculpture creation

Answer

Production of decorative items

Answer

Prototyping for industrial design

Question 19

What is the primary function of armatures in modelling?

Accepted Answer

To provide structural support to the model

Answer

To create details on the model's surface

Answer

To create a smooth finish on the model

Answer

To prevent cracks in the model

Question 20

What is the process called where a mould is created from a pre-existing object?

Accepted Answer

Indirect casting

Answer

Direct casting

Answer

Lost-wax casting

Answer

Slump casting

Question 21

Which of the following materials is commonly used to create moulds for investment casting?

Accepted Answer

Silicone

Answer

Plaster

Answer

Gelatin

Answer

Wood

Question 22

What is a primary advantage of centrifugal casting?

Accepted Answer

Reduces the risk of voids and air bubbles

Answer

Produces castings with a smooth surface

Answer

Allows for the creation of complex shapes

Answer

Can be used with a wide variety of materials

Question 23

What is the term for the process of finishing and refining a cast object?

Accepted Answer

Patination

Answer

Glazing

Answer

Channelling

Answer

Burnishing

Question 24

What is the technique that involves adding successive layers of clay to build up a three-dimensional form called?

Accepted Answer

Coiling

Answer

Pinching

Answer

Slab building

Answer

Carving

Question 25

When casting with plaster, what is the purpose of adding retarders?

Accepted Answer

To extend the working time by slowing down the setting process.

Answer

To enhance the plaster's strength.

Answer

To prevent air bubbles from forming.

Question 26

What is the primary function of a release agent in casting?

Accepted Answer

To prevent the cast object from adhering to the mould.

Answer

To improve the surface finish of the cast object.

Answer

To provide additional strength to the cast object.

Question 27

In the context of casting, which material is used to create a positive mould?

Accepted Answer

Original model

Answer

Negative mould

Answer

Cast object

Answer

Release agent

Question 28

Within the context of working with clay, what does the concept of 'bisque' refer to?

Accepted Answer

Clay that has undergone one firing process, but remains unglazed.

Answer

Clay that is prepared for casting.

Answer

Clay that has been fired twice.

Answer

Clay that has been combined with water.

Question 29

What is the primary purpose of using a slip when modelling with clay?

Accepted Answer

To join pieces of clay together

Answer

To smooth the surface of the clay

Answer

To enhance its texture

Answer

To harden the clay

Question 30

Which of the following is a notable advantage of using papier-mâché for modelling?

Accepted Answer

It is lightweight

Answer

It maintains its shape perfectly

Answer

It is waterproof

Answer

It is exceptionally strong and durable

Question 31

What is the technical term for the process of removing a cast from a mold?

Accepted Answer

De-moulding

Answer

Modelling

Answer

Patination

Answer

Casting

Question 32

What is the primary purpose of applying a release agent to a mold in casting?

Accepted Answer

To prevent the cast from sticking to the mold

Answer

To create a chemical reaction with the casting material

Answer

To smooth the surface of the mold

Answer

To strengthen the mold

Question 33

What is the primary purpose of an armature in clay modelling?

Accepted Answer

To provide support and structure for the clay form.

Answer

To create a mold for casting.

Answer

To add texture and detail to the surface.

Question 34

Which of these materials is commonly used for creating molds for casting?

Accepted Answer

Plaster of Paris

Answer

Papier-mâché

Answer

Cardboard

Answer

Clay

Question 35

What is the term for the material poured into a mold to create a cast?

Accepted Answer

Casting medium

Answer

Matrix

Answer

Armature

Question 36

What is the purpose of applying a release agent to a mold before casting?

Accepted Answer

To prevent the cast from sticking to the mold.

Answer

To add texture to the cast.

Answer

To strengthen the mold.

Answer

To speed up the drying time of the casting medium.

Question 37

How can you create a textured surface on a clay model?

Accepted Answer

Using tools like stamps, brushes, and sponges.

Answer

Using a mold.

Answer

Applying a release agent.

Answer

Adding wire armature.

Question 38

What is the process of removing the cast from the mold called?

Accepted Answer

Demolding

Answer

Release

Answer

Casting

Answer

Armature

Question 39

What is the main advantage of using a two-part mold over a one-part mold?

Accepted Answer

It allows for the creation of more complex and detailed forms.

Answer

It uses less material.

Answer

It is easier to make.