Learn Everything at One Place !

MCQ Questions and Answers on CAD, CAM, and Automation

Q.  
Which one of following is not part of FMS -


Discuss

Answer :   Option:- C

Explanation :

Discuss here! No Explaination Available for These Question.


Q.  
Which coordinate system is a device-dependent coordinate system?


Discuss

Answer :   Option:- D

Explanation :

Screen Coordinate System is a 2D coordinate system which depends on device/screen size.


Q.  
Which of the following is the default coordinate system?


Discuss

Answer :   Option:- B

Explanation :

World Coordinate System known as the \"universe\" or \"model\" coordinate system. This is the base reference system for the overall model, to which all other model coordinates relate.


Q.  
The matrix representation for scaling in homogeneous coordinates is


Discuss

Answer :   Option:- A

Explanation :

The matrix representation for scaling in homogeneous coordinates is P'=S*P, where S is scaling matrix.


Q.  
The two-dimensional rotation equation in the matrix form is


Discuss

Answer :   Option:- C

Explanation :

Discuss here! No Explaination Available for These Question.


Q.  
What is the use of homogeneous coordinates and matrix representation?


Discuss

Answer :   Option:- A

Explanation :

To treat all 3 transformations in a consistent way, is the use of homogeneous coordinates and matrix representation.


Q.  
If point are expressed in homogeneous coordinates then the pair of (x, y) is represented as


Discuss

Answer :   Option:- D

Explanation :

If point are expressed in homogeneous coordinates then the pair of (x, y) is represented as (x’, y’, w).


Q.  
For 2D transformation the value of third coordinate i.e. w (or h) =?


Discuss

Answer :   Option:- A

Explanation :

For 2D transformation the value of third coordinate i.e. w (or h) is 1, which is Non-Zero Scalar Factor.


Q.  
In homogeneous coordinates value of 'h' is consider as 1 & it is called _____.


Discuss

Answer :   Option:- D

Explanation :

Discuss here! No Explaination Available for These Question.


Q.  
The general homogeneous coordinate representation can also be written as


Discuss

Answer :   Option:- B

Explanation :

Discuss here! No Explaination Available for These Question.