Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 19
Q641:
In parallel projection, projectors are drawn with a ________ direction.
A. Random
B. Curved
C. Fixed
D. Changing
Correct Answer:
C
Chapter: 19
Q642:
In orthographic projection, the direction of projection is ________ to the view plane.
A. Parallel
B. Inclined
C. Perpendicular
D. Random
Correct Answer:
C
Chapter: 19
Q643:
Which projections are called multi-view drawings?
A. Axonometric
B. Oblique
C. Front, top, side views
D. Dimetric
Correct Answer:
C
Chapter: 19
Q644:
Parallel projection projectors originate from a center of projection located at ________.
A. Origin
B. View plane
C. Infinity
D. Z-axis
Correct Answer:
C
Chapter: 19
Q645:
In orthographic projection, which coordinate is discarded?
A. X
B. Y
C. Z
D. None
Correct Answer:
C
Chapter: 19
Q646:
Axonometric projections show ________ sides of an object.
A. One
B. Two
C. Three or more
D. Four
Correct Answer:
C
Chapter: 19
Q647:
How many types of axonometric projections are there?
A. 1
B. 2
C. 3
D. 4
Correct Answer:
C
Chapter: 19
Q648:
In isometric projection, the projection plane intersects x, y, z axes at ________.
A. Unequal distances
B. Equal distances
C. Only x and y
D. Only y and z
Correct Answer:
B
Chapter: 19
Q649:
Which axonometric projection makes equal angles with two principal axes?
A. Isometric
B. Dimetric
C. Trimetric
D. Oblique
Correct Answer:
B
Chapter: 19
Q650:
In trimetric projection, angles made with principal axes are ________.
A. Equal
B. Unequal
C. 90 degrees
D. Zero
Correct Answer:
B
Chapter: 19
Q651:
Oblique projection projectors are ________ to the projection plane.
A. Perpendicular
B. Parallel but inclined
C. Random
D. Orthogonal
Correct Answer:
B
Chapter: 19
Q652:
In orthographic projection, if the view plane is placed at position Zvp, the Xp coordinate is calculated as:
A. Xp = y
B. Xp = x
C. Xp = z
D. Xp = 0
Correct Answer:
B
Chapter: 19
Q653:
In oblique projection, what does 'L' represent?
A. Angle of projection
B. Length along projection line
C. Distance between planes
D. Rotation of axes
Correct Answer:
B
Chapter: 19
Q654:
In oblique projection, tan(alpha) equals:
A. z / L
B. x / L
C. y / L
D. L / z
Correct Answer:
A
Chapter: 19
Q655:
When alpha = 90° in oblique projection, the projection becomes ________.
A. Cavalier
B. Cabinet
C. Orthographic
D. Dimetric
Correct Answer:
C
Chapter: 19
Q656:
What is the value of L1 in Cavalier projection?
A. 2
B. 1
C. 0.5
Correct Answer:
B
Chapter: 19
Q657:
In Cabinet projection, lines perpendicular to the projection plane are projected at ________ their true length.
A. Full
B. Half
C. Double
D. Zero
Correct Answer:
B
Chapter: 19
Q658:
The angle alpha for a Cabinet projection is approximately ________.
A. 30°
B. 45°
C. 63.4°
D. 90°
Correct Answer:
C
Chapter: 19
Q659:
Cavalier projection maintains the original ________ of lines perpendicular to the projection plane.
A. Color
B. Length
C. Angle
D. Shape
Correct Answer:
B
Chapter: 19
Q660:
Projection lines in perspective projection meet at ________.
A. Infinity
B. A point
C. Random planes
D. Axonometric point
Correct Answer:
B