1. A
three dimensional graphics has
a. Two
axes
b. Three axes
c. Both
a & b
d. None
of these
2. _________as
the most commonly used boundary presentation for a 3-D graphics object
a. Data
polygon
b. Surface polygon
c. System
polygon
d. None
of these
3. A
three dimensional object can also be represented using_______
a. Method
b. Equation
c. Point
d. None
of these
4. An_______
can be considered as an extension of spherical surface
a. Bezier
b. Ellipsoid
c. Shearing
d. None
of these
5. _______curve
is one of the sp line approximation methods
a. Bezier
b. Ellipsoid
c. Shearing
d. None
of these
6. A
Bezier curve is a polynomial of degree ___________the no of control points used
a. One
more than
b. One less than
c. Two
less than
d. None
of these
7. The
most basic transformation that are applied in three-dimensional planes are
a. Translation
b. Scaling
c. Rotation
d. All of these
8. The
transformation in which an object can be shifted to any coordinate position in
three dimensional plane are called
a. Translation
b. Scaling
c. Rotation
d. All
of these
9. The
transformation in which an object can be rotated about origin as well as any
arbitrary pivot point are called
a. Translation
b. Scaling
c. Rotation
d. All
of these
10. The
transformation in which the size of an object can be modified in x-direction
,y-direction and z-direction
a. Translation
b. Scaling
c. Rotation
d. All
of these
11. Apart
from the basic transformation ,________are also used
a. Shearing
b. Reflection
c. Both a & b
d. None
of these
12. In which transformation ,the shape of an
object can be modified in any of direction depending upon the value assigned to
them
a. Reflection
b. Shearing
c. Scaling
d. None
of these
13. In
which transformation ,the mirror image of an object can be seen with respect to
x-axis, y-axis ,z-axis as well as with respect to an arbitrary line
a. Reflection
b. Shearing
c. Translation
d. None
of these
14. How
many types of projection are
a. 1
b. 2
c. 3
d. 4
15. The
types of projection are
a. Parallel projection and
perspective projection
b. Perpendicular
and perspective projection
c. Parallel
projection and Perpendicular projection
d. None
of these
16. How many types of parallel projection are
a. 1
b. 2
c. 3
d. 4
17. The
types of parallel projection are
a. Orthographic
projection and quadric projection
b. Orthographic projection and
oblique projection
c. oblique
projection and quadric projection
d. None
of these
18. _________are
the three dimensional analogs of quad trees
a. Quadric
b. Octrees
c. Geometry
d. None
of these
19. By
which more complex objects can be constructed
a. Quadric surfaces
b. Wire
frame model
c. Composite
transformation
d. None
of these
20. _______refers
to the common elements of graphics scenes ,often used in graphics package as
primitive components
a. Quadric surfaces
b. Wire
frame model
c. Composite
transformation
d. None
of these
21. _________refer
to the shapes created by union, intersection and difference of given shapes
a. Wire
frame model
b. Composite
transformation
c. Constructive solid geometry
methods
d. None of these
22. ________refer
to a model that represent all the dimension of an object external as well as
internal
a. Wire frame model
b. Constructive
solid geometry methods
c. Composite
transformation
d. None
of these
23. ________refers
to the result obtained by multiplying the matrix of the individual
transformation representation sequences
a. Wire
frame model
b. Constructive
solid geometry methods
c. Composite transformation
d. None
of these
24. The
projection in which the projection plane is allowed to intersect the x, y and
z-axes at equal distances
a. Wire
frame model
b. Constructive
solid geometry methods
c. Isometric projection
d. Back
face removal
25. In
which projection ,the plane normal to the projection has equal angles with
these three axes
a. Wire
frame model
b. Constructive
solid geometry methods
c. Isometric projection
d. Back
face removal
26. ___________is
a simple object space algorithm that removes about half of the total polygon in
an image as about half of the faces of objects are back faces
a. Wire
frame model
b. Constructive
solid geometry methods
c. Isometric
projection
d. Back face removal
27. By
which ,we can take a view of an object from different directions and different
distances
a. Projection
b. Rotation
c. Translation
d. Scaling
28. Parallel
projection shows the
a. True
image of an object
b. True
size of an object
c. True
shape of an object
d. all
of these
29. Projection
rays(projectors) emanate from a
a. COP(centre
of projection )
b. Intersect
projection plane
c. Both a & b
d. None
of these
30. The
centre of projection for parallel projectors is at
a. Zero
b. Infinity
c. One
d. None
of these
31. In orthographic projection, engineering use
a. Top
view of an object
b. Front
view of an object
c. Side
view of an object
d. All of these
32. The
orthographic projection that show more than one side of an object are called
a. Axonometric
projection
b. Isometric
projection
c. Both a & b
d. None
of these
33. The
projection that can be viewed as the projection that has a centre of projection
at a finite distance from the plane of projection are called
a. Parallel projection
b. Perspective projection
c. Isometric
projection
d. None
of these
34. The
perspective projection is more practical because the distant objects appear
a. Smaller
b. Larger
c. Neither
smaller nor larger
d. None
of these
35. The
equation of scaling transformation will be
a. X1=x+Tx,y1=y+Ty,z1=z+Tz
b. X1=x.sx,y1=y.sy,z1=z.sz
c. Both
of these
d. None
of these
36. The
equation of translation transformation will be
a. X1=x+Tx,y1=y+Ty,z1=z+Tz
b. X1=x.sx,y1=y.sy,z1=z.sz
c. Both
of these
d. None
of these
37. Sp
line curve can be either
a. Bezier
sp line
b. B
sp line
c. Both a & b
d. None
of these
38. Bezier
sp line always passes through
a. First and second control point
b. Does
not pass from First and second control point
c. Both
a & b
d. None
of these
39. The
equation for describing surface of 3D plane are
a. Ax+ By+ Cz+ D= 0
b. Ax+
By+ Cz = 0
c. Ax+
By+ D= 0
d. Ax+
By+ Cz+ D= 1
40. The
object refers to the 3D representation through linear, circular or some
other representation are called
a. Quadric
surface
b. Sweep representation
c. Torus
d. None
of these
41. The
distance of a line from the projection plane determines
a. Its size on projection plane
b. Its
length on projection plane
c. Its
width on projection plane
d. Its
height on projection plane
42. The
further the line from the projection plane, _______its image on the projection
plane
a. Smaller
b. Larger
c. Neither
smaller nor larger
d. None
of these
43. The
Bezier curve obtained from the four control points is called a
a. Square
Bezier curve
b. Cubic Bezier curve
c. Hectare
Bezier curve
d. Rectangle
Bezier curve
44. The
shape of a Bezier curve primarily
depends upon the
a. Position of control points
b. Distance
of control points
c. Position
of control panel
d. None
of these
45. The
no of control points in a Bezier curve ensures the
a. Jaggies
of curve
b. Smoothness of curve
c. Straightness
of curve
d. None
of these
46. More the control points of a Bezier curve,________ quality of the curve
a. Higher
b. Lower
c. Bad
d. None
of these
47. ______is
one of the function that is used to specify a single plane surface
a. Meta-ball
model
b. Fill area
c. Reflection
d. None
of these
48. Meta-ball
is used to describe
a. Simplest
object
b. Complex
object
c. Composite object
d. None
of these
49. Super
quadrics is a class of object that contain
a. Data
b. Codes
c. Both a & b
d. None
of these
50. When two molecules move apart, which effect on
molecular shapes
a. Stretching
b. Snapping
c. Contracting
d. All of these
51. The sweep representation of an object refers
to the
a. 2D
representation
b. 3D representation
c. Both
a & b
d. None
of these
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