Computer Aided Design (3161903) MCQs

MCQs of Geometric Transformations

Showing 1 to 10 out of 41 Questions
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1.
When every entity of a geometric model remains parallel to its initial position, the transformation is called as ___________ .
(a) scaling
(b) translation
(c) rotation
(d) mirror
Answer:

Option (b)

2.

In which type of projection, actual dimensions and angles of objects and therefore shapes cannot be preserved?

(a)

Orthographic
(b)

Isometric
(c)

Perspective
(d)

None of the mentioned
Answer:

Option (c)

3.
The number of line required to represent a cube in a wire frame model is
(a) 8
(b) 6
(c) 12
(d) 16
Answer:

Option (c)

4.
The two-dimensional translation equation in the matrix form is
(a) P’=P+T
(b) P’=P-T
(c) P’=P*T
(d) P’=p
Answer:

Option (a)

5.

The basic geometric transformation is ___________ .

(a)

translation
(b)

rotation
(c)

scaling
(d)

all of the mentioned
Answer:

Option (d)

6.
Positive values for the rotation angle ϴ defines ___________ .
(a) counterclockwise rotations about the end points
(b) counterclockwise translation about the pivot point
(c) counterclockwise rotations about the pivot point
(d) none of the above
Answer:

Option (c)

7.
The two-dimensional rotation equation in the matrix form is
(a) P’=P+T
(b) P’=R*P
(c) P’=P*P
(d) P’=R+P
Answer:

Option (b)

8.
The transformation that is used to alter the size of an object is ___________ .
(a) scaling
(b) rotation
(c) translation
(d) reflection
Answer:

Option (a)

9.
The two-dimensional scaling equation in the matrix form is
(a) P’=P+T
(b) P’=S*P
(c) P’=P*R
(d) P’=R+S
Answer:

Option (b)

10.
If the values of the scaling factors sx and sy < 1, then ___________ .
(a) it reduces the size of the object
(b) it increases the size of the object
(c) it stunts the shape of an object
(d) none of the above
Answer:

Option (a)

Showing 1 to 10 out of 41 Questions
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