Worksheets202PST_2
Total questions: 40
Worksheet time: 1hrs 20mins
Which of the following perspective projection pictures a,b,c shows the correct drawing. (see picture 14)
a. Figure a
b. Figure b
c. Figure c *
d. All three images are correct
In the following figure, which method has been used to construct a perspective projection of parallel lines equally spaced? (see picture 15)
a. Grid method
b. Diagonal method *
c. Cube method
In the following shadows, which one has the sun as a light source? (see picture 16)
a. Figure a
b. Figure b
c. Figure c
d. Figures a and b *
When drawing shadows, what is the light source considered?
a. a straight line
b. a circle
c. an infinity point
d. a point
In which position does the observer see the perspective of the cube as shown on the right? (see picture 17)
a. 1
b. 2 or 3
c. 4
d. None of them *
Give perspective projection of two straight lines AB and CD. Determine the vanishing point of the lines AB and CD. (see picture 18)
a. E'
b. F'
c. No vanishing point *
What kind of perspective projection system is this picture? (see picture 19)
a. Perspective system of vertical picture plane
b. Perspective system of the inclined picture plane *
In order to avoid the deformation of the right truck, how should the observer adjust the observation position? (see picture 21)
a. The point of view must be adjusted so that the truck is within the cone of vision the observer. *
b. Approach the observed object
c. Raise your vision higherd.
d. Lower your vision
Where is the eye level in the following perspective determined? (see picture 22)
a. Line 1
b. Line 2
c. Line 3
d. No ideas
Which visual law relates to perspective projection?
a. The farther the distance from the object to the observer is, the smaller the object is
b. The further away the object becomes, the more faint and unclear it will be
c. The human eye has the ability to self-regulate to focus on seeing an object more clearly
d. All above
Choose the right concept.
a. The picture plane is always perpendicular to the central visual ray
b. The horizon line is the horizontal straight line of the ground plane
c. The vanishing point is always on the eye level
d. The horizon line is not a line of eye level or a vanishing line
Lines that are parallel to the ground plane have the vanishing points at:
a. The bottom line of the picture plane
b. Horizon line
c. Central visual ray
d. None of them
When the picture plane is vertical, all lines which in reality are perpendicular to Ground Plane will converge toward...
a. a vanishing point
b. an endless vanishing point
c. two vanishing points
d. any vanishing point
When picture plane is inclined, all lines which in reality are perpendicular to the ground plane will converge toward...
a. a vanishing point
b. an endless vanishing point
c. two vanishing points
d. any vanishing point
The horizontal plane passing through the point of vision is called:
a. The picture plane
b. Plane of the eye-level
c. The ground plane
d. The projection plane
What are the key elements for a perspective projection system?
a. Point of vision, the ground plane, the picture plane
b. Plane of the eye level, the horizon line, eyes of observer
c. The vanishing point, the ground plane, the picture plane
d. All of them
In perspective projection, the eye level plane cuts the picture plane in a straight line and that line is called:
a. The bottom line of picture plane
b. The ground line
c. The horizon line
d. The vanishing line
The shadow of an object that falls on a ground plane or on other objects is called:
a. Shade
b. Shadows of objects
c. Shade of the dark
The shade of an object is obtained when:
a. Place the object in front of a light source
b. Place the object in the dark area
c. Self-illuminating the object
d. Objects have the perspective projection
The light ray is understood as:
a. Light comes from the sun
b. an infinite point
c. a finite point
d. Light is emitted from the light source in straight lines
The shadow of a point down onto the plane is defined:
a. The intersection of light rays passing through that point and the plane of shadow
b. The intersection of light rays crossing the horizon line
c. A line connecting the light rays to that point
d. Undefined
The observer is on a mountain top or descending in a parachute, the horizon line always appears on a level with his eyes. Is it right or wrong?
a. Right
b. Wrong
If the observer lies on the ground, in this case, the amount of ground area leading to the horizon line seems even less than the skyspace that is from the horizon line leading to the upper skyline. So what happens to the horizon line?
a. The horizon line appears at the observer's eye level
b. The horizon line does not coincide with the observer's eye level
c. The horizon line is lower than the observer's eye level
d. None of them is correct
When the observer is on flat ground, the amount of ground before him seems less than the amount seen from the higher level, so what happens to the horizon line in this case?
a. The horizon line does not coincide with the observer's eye level
b. The horizon line appears at the observer's eye level
c. None of them is correct
d. The horizon line is lower than the observer's eye level
What are the principal determinants of how things appear in real life and in perspective drawing?
a. Viewpoint and cone of vision
b. Observer's distance from a subject
c. The apparent direction of the subject's lines
d. All are correct
In which case that the horizon line (eye level) also is called vanishing line?
a. All lines which in reality are perpendicular to picture plane will converge toward a vanishing point on the horizon line (eye level)
b. All lines which in reality are perpendicular to Ground Plane will converge toward a vanishing point on the horizon line (eye level)
c. All lines which in reality are parallel to the ground plane will converge toward a vanishing point on the horizon line (eye level)
d. All lines which in reality are parallel to picture plane will converge toward a vanishing point on the horizon line (eye level)
Eye-level is the line that is ... to the eyes of observer.
a. Upright
b. Parallel
c. Horizontal
d. All of them
All lines which in reality are parallel to the ground plane will ... on the horizon line
a. Converge to one point
b. Converge to two points
c. Converge to three points
d. Converge to four points
The horizon line is a crossroads between:
a. Eye-level plane and picture plane
b. Ground plane and picture plane
c. Ground plane and eye level plane
d. Projection plane and ground plane
According to the position of the picture plane that is vertical and inclined to the ground plane, how many types of perspective projection systems are there?
a. 2
b. 3
c. 4
d. 5
The horizontal plane on which objects are placed is called:
a. Picture plane
b. Ground plane
c. The horizon line
d. Eye-level plane
The eye-level plane cuts the picture plane with a straight line called:
a. Vanishing line
b. Ground plane
c. The horizon line
d. A and C are both correct
The parallel lines converge to a point on the vanishing line called the vanishing point.
a. Correct
b. Incorrect
In inclined picture plane, lines that perpendicular to the ground plane, are still parallel and do not converge to a vanishing point.
a. Correct
b. Incorrect
In reality, pencil A and pencil B are the same sizes and pencil A is closer to the observer's face than pencil B. Which of the following perspective projection is drawn correctly? (See picture 24)
a. Figure a
b. Figure b
c. Figure c
d. Both a and b *
What kind of perspective is in this following painting? (See picture 25)
a. One-point perspective
b. Two-point perspective *
c. Three-point perspective
d. Four-point perspective
The following illustration shows the perspective of the AB segment in the vertical picture plane. Find out the position of AB relative to the picture plane. (see picture 26)
a. AB is perpendicular to the picture plane
b. AB is inclined at an angle to the picture plane
c. AB is parallel to the picture plane *
d. AB lies on the picture plane
In the perspective of the vertical picture plane, in order to have one- point perspective of a cube, Where is the correct position of the picture plane in this case? (See picture 28)
a. Figure a
b. Figure b *
c. Figure c
Which of the following three images describes a perspective projection of a cube? (See picture 29)
a. Figure a
b. Figure b
c. Figure c *
d. Figure b, c
The following three images show the perspective of a flat road. Which one is correct? (see picture 30)
a. Figure a
b. Figure b *
c. Figure c
