1. The angle between the isometric axes is
(A) 180 degrees
(B) 120 degrees
(C) 90 degrees
(D) 60 degrees
2. Isometric view of cube is drawn and faces of cube are seen as
(A) square
(B) rectangle
(C) rhombus
(D) parallelogram
3. The objects we see in nature will be in Isometric view.
(A) False
(B) True
(C) Only technical objects
(D) Only drawn objects
4. Oblique projections are useful for making an assembly.
(A) Only for 2D drawings
(B) False
(C) True
(D) Only for circles
5. Lines of sights (projectors) for oblique projection will be
(A) Parallel to each other and perpendicular to projection plane
(B) Not parallel to each other and perpendicular to projection plane
(C) Not parallel to each other and inclined to projection plane
(D) Parallel to each other and inclined to projection plane
6. When the receding lines are drawn to full size scale then the oblique projection is
(A) Cabinet projection
(B) Isometric projection
(C) Cavalier projection
(D) Orthographic projection
7. Which are not usually used as angle between the projection plane and receding lines for oblique projection?
(A) 30 degrees
(B) 50 degrees
(C) 45 degrees
(D) 60 degrees
8. In oblique projection, the object is assumed to be placed with one face
(A) perpendicular to plane of projection
(B) parallel to adjacent edge
(C) parallel to plane of projection
(D) perpendicular to adjacent edge
9. The perpendicular edges of planes parallel to projection plane are drawn at an angle of 30, 45, 60 degrees with the horizontal. The inclined lines are called
(A) receding lines
(B) slanting edges
(C) contour lines
(D) projectors
10. The faces parallel to projection plane are having size and shape in oblique projection.
(A) half
(B) double
(C) actual
(D) increased
11. In cavalier projection the receding lines are drawn
(A) half of its actual size
(B) full size
(C) double of its actual size
(D) increased/decreased to a particular ratio
12. In perspective projection, the eye is assumed to be situated at a position relative to the object. The ___ is placed between ___ and the ___
(A) definite, picture plane, eye, object
(B) indefinite, object, eye, picture plane
(C) indefinite, picture plane, eye, object
(D) indefinite, object, picture plane, eye
13. In perspective projection the projectors are ___ to each other and ___ to picture plane.
(A) parallel, perpendicular
(B) not parallel, perpendicular
(C) parallel, inclined
(D) not parallel, inclined
14. In perspective projection, the horizontal plane in which the object is assumed to be situated is called
(A) ground plane
(B) picture plane
(C) horizontal plane
(D) auxiliary ground plane
15. In perspective projection, the point where the eye of the observer is located while viewing the object is called
(A) ground point
(B) horizon point
(C) station point
(D) center of vision
16. In perspective projection, the point in which the perpendicular axis pierces the picture plane and lies on horizon line is called
(A) center of vision
(B) horizon line
(C) ground line
(D) station line
17. In addition to the top view of the visual rays, use of vanishing points of straight lines is made in this method. What is this method?
(A) Watching method
(B) Perspective method
(C) Visual-ray method
(D) Vanishing point method
18. When an object has its one or more faces parallel to the picture plane, its perspective is called ___ perspective also called one point perspective.
(A) oblique
(B) parallel
(C) vanishing
(D) angular
19. When an object has its three faces inclined to the picture plane, its perspective is called ___ perspective also called 3 point perspective.
(A) parallel
(B) angular
(C) vanishing
(D) oblique
20. When an object has its two faces inclined to the picture plane, its perspective is called ___ perspective also called two point perspectives.
(A) parallel
(B) oblique
(C) angular
(D) vanishing