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Basic 3D Modeling MCQ

1. The depth cue that is responsible for perceiving depth in "3-D" movies is _____.

Motion parallax

Accommodation

Binocular disparity

Answer

Correct Answer: Binocular disparity

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2. What is LOD?

Level of Detail

Logical off-source Dimension

Answer

Correct Answer: Level of Detail

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3. In which shaded view port mode is faster to work and model in big scenes, when you have low performance video card?

material color shaded viewport mode

Edget faces viewport mode

Wireframe viewport mode

Object color shaded viewport mode

Answer

Correct Answer: Object color shaded viewport mode

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4. For game modeling, ___ count is the most common number to consider.

mesh

poly

tri

edge

Answer

Correct Answer: tri

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5. Which of the following materials does not have specular?

Phong E

Lambert

Blinn

Phong

Anisotropic

Answer

Correct Answer: Lambert

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6. How many vertices are the minimum required to create a polygon?

Answer

Correct Answer: 3

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7. What is an ngon?

An edge with no vertices

A polygon with 2 edges

A polygon with more than 4 edges

A vertex in the middle of a mesh

Answer

Correct Answer: A polygon with more than 4 edges

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8. 3D Modelers are found in which industry?

Product Design

Visual Effects

Architecture

All of these

Answer

Correct Answer: All of these

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9. What is another name for a line that can be curved using control points?

Spleen

Splinter

Spike

Spline

Answer

Correct Answer: Spline

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10. Affixing a texture to the surface of an object is called which of the following?

UV Mapping

VT Scaling

UV Scanning

VU Mapping

Answer

Correct Answer: UV Mapping

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11. The D in 3D stands for which of the following?

Design

Dimension

Direction

Dictation

Answer

Correct Answer: Dimension

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12. A 3D modeler should consider which of the following when creating a render?

All of these

Perspective

Scale

Lighting

Answer

Correct Answer: All of these

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13. True or false: it is important to consider poly flow when modeling for games.

True

False

Answer

Correct Answer: True

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14. What is the name for the point at the end of an edge?

Torus

Corner

Vertex

Dowel

Answer

Correct Answer: Vertex

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15. Which term means to unchoose?

Demystify

Remove

Downgrade

Deselect

Answer

Correct Answer: Deselect

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16. By definition, two of what forms a line segment?

Points

Dashes

Pins

Buttons

Answer

Correct Answer: Points

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17. Which of these modes only consists of lines, edges, and curves?

Texture

Shading

Sculpt

Wireframe

Answer

Correct Answer: Wireframe

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18. Which function is used to break down a face into smaller faces of equal area?

Devise

Subdivide

Coincide

Collide

Answer

Correct Answer: Subdivide

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19. Which of these is a modeling technique?

NURBS modeling

Subdivision modeling

All of these

Edge modeling

Answer

Correct Answer: All of these

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20. True or False: when modeling for 3D printing, it is ok to have open edges.

False

True

Answer

Correct Answer: False

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21. Which function replicates and reverses mesh attributes across an axis?

Simulating

Squaring

Copying

Mirroring

Answer

Correct Answer: Mirroring

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22. Which of these is a planar template used to guide accurate modeling?

Window

Alpha Channel

Panel Display

Grid

Answer

Correct Answer: Grid

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23. Which of these is a 3D file?

.fbx

.fb2

.flv

.flac

Answer

Correct Answer: .fbx

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24. Which of these number of triangles is considered low poly?

2 million

50, 000

1 million

500

Answer

Correct Answer: 500

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25. Which function creates an exact replica of a line, face, or mesh?

Dissection

Dumping

Duplication

Division

Answer

Correct Answer: Duplication

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26. What does HDRR stand for?

Hard Drive Risk Removal

High Definition Rotation Reel

High Dynamic Range Render

High Density Range Resistance

Answer

Correct Answer: High Dynamic Range Render

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27. When formatting your model for 3D printing, which of these increases with more mass?

Time of production

All of these

Cost of model

Printing time

Answer

Correct Answer: All of these

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28. True or False: a Boolean operation can be used to combine two meshes into one, contiguous mesh.

False

True

Answer

Correct Answer: True

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29. NURBS have surfaces that are which of these?

Rough

Scattered

Spotted

Smooth

Answer

Correct Answer: Smooth

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30. What is texture baking?

Applying a "bake deformer", that expands the mesh.

Rendering an animation.

Projecting details down from the High polygon model, onto a texture that can be applied to the Low-polygon model.

Answer

Correct Answer: Projecting details down from the High polygon model, onto a texture that can be applied to the Low-polygon model.

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31. Which of these files is acceptable for 3D printing?

.stl

.png

.gif

.tif

Answer

Correct Answer: .stl

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32. When adding materials to an object, which mapping coordinate system allows the most control for adding graphics such as labels?

Spherical

Cubic

Global

Answer

Correct Answer: UV

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33. Pulling out a shape from another curve, edge, or polygon is called what?

Pulling

Stretching

Extrusion

Extending

Answer

Correct Answer: Extrusion

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34. Cubes, Pyramids, Cylinders, and cones are most commonly called what?

Base angles

3D primitives

3D shapes

Acute primitives

Answer

Correct Answer: 3D primitives

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35. A four-sided polygon is known as what?

Quad

Tri

Square

Ngon

Answer

Correct Answer: Quad

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36. Modeling vehicles, tables, and buildings falls under what modeling category?

Subdivision

Strong form

Inflexible surface

Hard surface

Answer

Correct Answer: Hard surface

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37. What is the name of the imaginary line that is perpendicular to the surface of a polygon?

Foci

Nurb

Normal

Abnormal

Answer

Correct Answer: Normal

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38. Which function is used to pivot a line, face, or mesh along an axis?

Circling

Joining

Rotation

Addition

Answer

Correct Answer: Rotation

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39. What is the name of a closed ring of edges around part of a mesh?

Ring

Polyflow

Edge loop

Poly loop

Answer

Correct Answer: Edge loop

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40. What is the study of physical shapes and spaces?

Ptolemy

Topology

Physiognomy

Morphology

Answer

Correct Answer: Topology

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41. When modeling for animation, which of these is important to consider?

Joint deformation

All of the above

Poly count

Poly flow

Answer

Correct Answer: All of the above

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42. Which is not considered an industry standard software for 3d Modeling

Poser

Maya

3D Studio Max

Zbrush

Cinema4D

Answer

Correct Answer: Poser

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43. Which rendering function creates shadows based on the proximity of geometry in 3d space using global illumination?

Ambient Occlusion

Diffusion

Shading

Dimming

Answer

Correct Answer: Ambient Occlusion

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44. True or False? If there isn't enough definition in the low poly model, it won't be able to correctly project the high poly model onto itself.

False

True

Answer

Correct Answer: True

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45. Which of these is not a software for 3D modeling?

ZBrush

Google Sketchup

Blender

Gimp

Houdini

Answer

Correct Answer: Gimp

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46. The revolution of what kind of profile would result in the creation of a sphere?

Elipse

Square Wave

Half-circle

Rectangle

Line

Answer

Correct Answer: Half-circle

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47. Which of the following will cause a polygon to be invisible to a render?

Too many vertices

Overlapped edges

Fixed-point vertex

Flipped normals

Answer

Correct Answer: Flipped normals

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48. When modeling for 3D printing, which of the following can't be in the mesh?

Subdivisions

Overlapping edges

Ambient occlusion

Surface normals

Answer

Correct Answer: Overlapping edges

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49. When subdividing once, a quad polygon is typically split into how many parts?

Answer

Correct Answer: 4

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50. NURBS means:

Normalized United Revolving Brush Sketch

Natural Uniform Radial Bezier Spline

Non Uniform Rational Basis Spline

Natural Untrimmed Radial Boolean Spline

Answer

Correct Answer: Non Uniform Rational Basis Spline

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51. Which type of polygons are best to use for soft deformation?

Tris

Nurbs

N-gons

Quads

Answer

Correct Answer: Quads

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52. In order to properly project a high poly onto a low poly, any 90 degree angles must be ___.

flipped

scaled

beveled

extruded

Answer

Correct Answer: beveled

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53. Which of these objects is formed by intersecting perpendicular lines?

Nurb

Lattice

Torus

Bezier

Answer

Correct Answer: Lattice

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54. A tri-mesh can't be used for:

Smooth Surfaces

Hard Surfaces

Animation

Sub-D Modeling

Answer

Correct Answer: Sub-D Modeling

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55. Which of these is most likely to cause shading issues?

Quads

N-Gons

Edgeloops

Splines

Answer

Correct Answer: N-Gons

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56. There are at least two ___ in every quad.

points

triangles

squares

degrees

Answer

Correct Answer: triangles

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57. In 3D terminology, what is the collection of vertices, edges, and faces that describe the shape of a 3D object called?

Mesh

Slate

Material

Mix

Answer

Correct Answer: Mesh

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