Q. For 2D transformation the value of third coordinate i.e. w (or h) =?
✅ Correct Answer: (A)
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CAD-CAM and Automation MCQs | Page - 2
Dear candidates you will find MCQ questions of CAD-CAM and Automation here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. We can combine the multiplicative and translational terms for 2D into a single matrix representation by expanding
✅ Correct Answer: (C)
2 x 2 matrix into 3 x 3
Q. The general homogeneous coordinate representation can also be written as
✅ Correct Answer: (B)
(h.x, h.y, h)
Q. In homogeneous coordinates value of ‘h’ is consider as 1 & it is called…..
✅ Correct Answer: (D)
Non-Zero Scalar Factor
Q. 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?
✅ Correct Answer: (D)
homogenous co-ordinates
Q. In Coordinates, a points in n-dimensional space is represent by (n+1) coordinates.
✅ Correct Answer: (B)
Homogeneous
Q. A translation is applied to an object by D
✅ Correct Answer: (A)
Repositioning it along with straight line path
Q. We translate a two-dimensional point by adding
✅ Correct Answer: (D)
Only a
Q. The translation distances (dx, dy) is called as
✅ Correct Answer: (C)
Both a and b
Q. In 2D-translation, a point (x, y) can move to the new position (x’, y’) by using the equation
✅ Correct Answer: (B)
x’=x+dx and y’=y+dy
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