Mock Test on Computer Graphics Questions and Answers

Mock Test on Computer Graphics Questions and Answers-2

 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 .  answer is: Two dimension

 2. In 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 answer is: Both (c) & (d))

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 .  answer is: isometric, dimetric, trimetric
 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 .  answer is: they are equivalent to surface models

 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 .  answer is: Wireframe
 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 .  answer is: Revolved

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 .  answer is: Through and Offset
 8. Inorthographic 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 answer is: Orthogonal

9. In the term ortho-graphic, ‘orthos’ means

Select one:
 a. Projection
 b. View
 c. Drawing
 d. Straight

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The .  answer is: Straight
 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 .  answer is: Multi view projection

 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 answer is: Parallel

 12.The following is not a principal view.

Select one:
 a. Side
 b. Top
 c. Bottom
 d. Auxiliary

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The .  answer is: Auxiliary

 13. In. 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 .  answer is: Image space

 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 .  answer is: True

 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 .  answer is: Back face removal