OBJECTIVE TYPE QUESTIONS CAD and CAM

OBJECTIVE TYPE QUESTIONS CAD and CAM 

1.   Which two disciplines are tied by a common database?     

 CAD and CAM

2.   The term that is used for geometric modelling like solid modelling, wire frame modelling and drafting is known as

Software package                             

3.   The basic geometric building blocks provided in a CAD/CAM package are           

a) points                      b) lines                         c) circles                      d) all of the mentioned

4.   The life cycle of a product includes              
            a) extraction of natural resources                                            b) processing of raw materials
            c) manufacturing of products                                     d) all of the mentioned

5.   DBMS manages the interaction between __________ and database.
   End Users  

6.   A translation is applied to an object by
Re positioning it along with straight line path       

7.   To generate a rotation , we must specify
  Rotation angle ϴ    

8.   The transformation that is used to alter the size of an object is        
     Scaling                  

9.   What is the primary use of clipping in computer graphics?
   removing objects and lines           

10.         CAD/CAM is the relationship between
    design and manufacturing          

11.     The types of hidden surface removal algorithm are

                  a) Depth comparison, Z-buffer, back-face removal             b) Scan line algorithm, priority algorithm

c) BSP method, area subdivision method                              d) All of these

12.      Which co-ordinates allow common vector operations such as translation, rotation, scaling and perspective projection to be represented as a matrix by which the vector is multiplied?
       homogenous co-ordinates

13.                       The representation of complex objects which is not be drawn by wire frame model is called as
       Surface model    

14.                       The model which is created by using basic entities of two dimensioning is called __________
     Wire frame model

15.                       The __________ form the basis for surface models.
    solid model

16.                       The surface model is created by using ___________
 Analytic and Synthetic entities

17.                       The sweep representation of an object refers to the

3D representation

18.                       In the following geometric modelling techniques, which cannot be used for finite element analysis:
  None of the mentioned

19.                        In the following geometric primitives, which is not a solid entity of CSG modelling:
 Circle

20.                       The shape of the Bezier curve is controlled by:
 Control points