Top 350+ Solved CAD-CAM and Automation MCQ Questions Answer
Q. From the following, which one will require 4 matrices to multiply to get the final position?
a. Rotation about the origin
b. Rotation about an arbitrary Point
c. Rotation about an arbitrary line
d. Scaling about the origin
Q. Rotation is simply---------object w.r.t origin or centre point.
a. Turn
b. Shift
c. Compression
d. Drag element
Q. A line AB with end point A (2,3) & B (7,8) is to be rotated about origin by 300 inclockwise direction. Determine the coordinates of end points S of rotated line.
a. (3.232, 2.598)
b. (5.232, 3.598)
c. (3.232, 1.298)
d. (3.232, 1.598)
Q. An ellipse can also be rotated about its center coordinates by rotating
a. End points
b. Major and minor axes
c. Only a
d. None
Q. The transformation that is used to alter the size of an object is
a. Scaling
b. Rotation
c. Translation
d. Reflection
Q. Scaling of a polygon is done by computing
a. The product of (x, y) of each vertex
b. (x, y) of end points
c. Center coordinates
d. Only a
Q. We control the location of a scaled object by choosing the position is knownas…………………………….
a. Pivot point
b. Fixed point
c. Differential scaling
d. Uniform scaling
Q. If the scaling factors values sx and sy are assigned to the same value then………
a. Uniform rotation is produced
b. Uniform scaling is produced
c. Scaling cannot be done
d. Scaling can be done or cannot be done
Q. If the scaling factors values Sx and Sy are assigned to unequal values then
a. Uniform rotation is produced
b. Uniform scaling is produced
c. Differential scaling is produced
d. Scaling cannot be done
Q. The objects transformed using the equation P’=S*P should be
a. Scaled
b. Repositioned
c. Both a and b
d. Neither a nor b
Q. If the scaling factors values Sx and Sy < 1 then
a. It reduces the size of object
b. It increases the size of object
c. It stunts the shape of an object
d. None
Q. If the value of Sx=1 and Sy=1 then
a. Reduce the size of object
b. Distort the picture
c. Produce an enlargement
d. No change in the size of an object
Q. The polygons are scaled by applying the following transformation.
a. X’=x * Sx + Xf(1-Sx) & Y’=y * Sy + Yf(1-Sy)
b. X’=x * Sx + Xf(1+Sx) & Y’=y * Sy + Yf(1+Sy
c. X’=x * Sx + Xf(1-Sx) & Y’=y * Sy – Yf(1-Sy)
d. X’=x * Sx * Xf(1-Sx) & Y’=y * Sy * Yf(1-Sy)
Q. A system that automates the drafting process with interactive computer graphics iscalled
a. Computer Aided Engineering (CAE)
b. Computer Aided Design (CAD)
c. Computer Aided Manufacturing (CAM)
d. Computer Aided Instruction (CAI)