Computer Graphic | CG | MCQ

Question 1
Orthographic projection represents three dimensional objects in
Select one:
a. One dimension
b. Two dimension
c. Three dimension
d. All of the above
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The correct answer is: Two dimension
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Question 2
The best hidden surface removal methods used for complex scenes with more than a few thousand surfaces is/are
Select one:
a. octree method
b. scan line algorithm
c. Both (c) & (d))
d. depth sorting method
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The correct answer is: Both (c) & (d))
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Question 3
The subcategories of orthographic projection are
Select one:
a. cavalier, cabinet
b. isometric, cavalier, trimetric
c. isometric, dimetric, trimetric
d. cavalier, cabinet, isometric
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The correct answer is: isometric, dimetric, trimetric
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Question 4
All of the following is true about solid models, except
Select one:
a. a CSG model is one type
b. they are typically manifold models
c. they are equivalent to surface models
d. they are ‘watertight’
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The correct answer is: they are equivalent to surface models
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Question 5
___________ modeler defines the model with surfaces bounding a region.
Select one:
a. B-rep
b. Primitive
c. CSG
d. Wireframe
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The correct answer is: Wireframe
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Question 6
A ______________ sweep is dependent on the location of the axis/vector relative to the profile
Select one:
a. Revolved
b. Linear
c. Path based
d. Blended
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The correct answer is: Revolved
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Question 7
Which two methods of defining a workplane both define the workplane parallel to a planar face
Select one:
a. Tangent and Through
b. Angle and Orientation
c. Through and Offset
d. Offset and Tangent
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The correct answer is: Through and Offset
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Question 8
In orthographic projection, the projection lines are ______ to the projection plane.
Select one:
a. Parallel
b. Orthogonal
c. Inclined
d. Any of the above
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The correct answer is: Orthogonal
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Question 9
In the term ortho-graphic, ‘orthos’ means
Select one:
a. Projection
b. View
c. Drawing
d. Straight
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The correct answer is: Straight
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Question 10
Orthographic projection is also known as
Select one:
a. Multi view projection
b. Two view projection
c. Single view projection
d. All of the above
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The correct answer is: Multi view projection
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Question 11
The orthographic parallel projection, projection lines are ____ to each other.
Select one:
a. Any of the above
b. Inclined
c. Parallel
d. Perpendicular
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The correct answer is: Parallel
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Question 12
The following is not a principal view.
Select one:
a. Side
b. Top
c. Bottom
d. Auxiliary
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The correct answer is: Auxiliary
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Question 13
A Depth Buffer algorithm is not an _______ hidden surface removal algorithm
Select one:
a. object-space
b. Both
c. Image space
d. None
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The correct answer is: Image space
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Question 14
In the Painter’s Algorithm, objects are ordered back-to-front and then rendered in that order
Select one:
a. False
b. True
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The correct answer is: True
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Question 15
All the following hidden surface algorithms employ image space approach except
Select one:
a. Scan line method
b. Depth buffer method
c. Back face removal
d. Depth sort method
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The correct answer is: Back face removal
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