CAD-CAM and Automation MCQs | Page - 2

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Instructor III

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

(A) 1
(B) 0
(C) -1
(D) Any value
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Team MCQ Buddy • 20.45K Points
Instructor III

Q. We can combine the multiplicative and translational terms for 2D into a single matrix representation by expanding

(A) 2 x 2 matrix into 4x4 matrix
(B) 3 x 3 matrix into 2 x 2
(C) 2 x 2 matrix into 3 x 3
(D) Only c
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Team MCQ Buddy • 20.45K Points
Instructor III

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

(A) (h.x, h.y, h.z)
(B) (h.x, h.y, h)
(C) (x, y, h.z)
(D) (x,y,z)
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Team MCQ Buddy • 20.45K Points
Instructor III

Q. In homogeneous coordinates value of ‘h’ is consider as 1 & it is called…..

(A) Magnitude Vector
(B) Unit Vector
(C) Non-Zero Vector
(D) Non-Zero Scalar Factor
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Team MCQ Buddy • 20.45K Points
Instructor III

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?

(A) vector co-ordinates
(B) 3D co-ordinates
(C) affine co-ordinates
(D) homogenous co-ordinates
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Team MCQ Buddy • 20.45K Points
Instructor III

Q. In Coordinates, a points in n-dimensional space is represent by (n+1) coordinates.

(A) Scaling
(B) Homogeneous
(C) Inverse transformation
(D) 3D Transformation
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Team MCQ Buddy • 20.45K Points
Instructor III

Q. A translation is applied to an object by D

(A) Repositioning it along with straight line path
(B) Repositioning it along with circular path
(C) Only b
(D) All of the mentioned
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Team MCQ Buddy • 20.45K Points
Instructor III

Q. We translate a two-dimensional point by adding

(A) Translation distances
(B) Translation difference
(C) X and Y
(D) Only a
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Team MCQ Buddy • 20.45K Points
Instructor III

Q. The translation distances (dx, dy) is called as

(A) Translation vector
(B) Shift vector
(C) Both a and b
(D) Neither a nor b
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Team MCQ Buddy • 20.45K Points
Instructor III

Q. In 2D-translation, a point (x, y) can move to the new position (x’, y’) by using the equation

(A) x’=x+dx and y’=y+dx
(B) x’=x+dx and y’=y+dy
(C) X’=x+dy and Y’=y+dx
(D) X’=x-dx and y’=y-dy
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