TEST di autovalutazione

1 The method of the double ortho-projection:
A) Is known as Monge Method
B) Is known as Euclidean Method
C) Doesn't allow to preserve unchanged the conditions of parallelism
D) Is known as Pythagorian Method

 

2 In the orthogonal double projection method, the projection performed on the horizontal plane takes the name of:
A) First projection
B) Facade
C) Second projection
D) Prism

 

3 Given a straight line r placed in a generic position in the first dihedral, the points in which the straight line intersects the projection planes are defined:
A) Proper center
B) Improper center
C) Traces of the stright
D) Dihedral

 

4 We define polyhedron as:
A) A solid with an odd number of polygons
B) A geometric figure having an equal number of edges and vertices
C) A part of space bounded by orthogonal planes
D) The part of space bounded by flat polygons. A polyhedron consists of flat faces, edges, and vertices

 

5 The broken line which is obtanined by drawing from a point of view a bundle of lines tangent to the solid:
A) Rotation axis of the solid
B) Rotation axis of the cube
C) The apparent contour
D) Perimeter of the square

 

6 The tetrahedron is a polyhedron formed by:
A) Two sides, consisting of equilateral triangles
B) Four sides, consisting of equilateral triangles
C) Four sides, consisting of square
D) Five sides, consisting of equilateral triangles

 

7 A prism is:
A) A solid obtained by projecting a plane polygon from a center to finity
B) A solid obtained by projecting two parallel line
C) A solid obtained by rotating a flat curve around its own directrix
D) A solid obtained by projecting a plane polygon from a center to infinity

 

8 The surface obtained by projecting all the points of a curve, from a vertex not belonging to the plane is:
A) A cone
B) A prism
C) A cylinder
D) A circumference

 

9 Through Eulero's theorem, in convex polyhedron, we have this rule:
A) V + F = s + 5
B) V + F = s + 2
C) V + s = s + 2
D) S + F = V+ 2

 

10 The distance between a point P and the first projection plane takes the name of:
A) Dihedral
B) Protrusion
C) Elevation
D) Dimension of the point