Top 350+ Solved CAD-CAM and Automation MCQ Questions Answer
Q. The is used to create a surface using curves that form closed boundaries.
a. ruled Surface
b. plane Surface
c. coons patch
d. surface of Revolution
Q. B-rep and C-Rep are the methods of
a. solid modeling
b. surface modeling
c. wireframe modeling
d. 2D modeling
Q. Which kind of model can store information about geometry
a. Solid model
b. Surface model
c. Wireframe model
d. none of the above
Q. From the following, which method is also called as the Building Block Approach?
a. Cellular Decomposition
b. Spatial Occupancy Enumeration
c. Generalized Sweeps
d. Constructive Solid Geometry
Q. Structuring and combining the primitives of the solid model in the graphics database,is achieved by the use of…..
a. FEA
b. transformations
c. boolean operations
d. none of the above
Q. The data representation of CSG objects is represented by
a. a binary tree
b. a boolean operation
c. a primitive
d. none of the above
Q. is an extension of the wireframe model with additional face information added.
a. CSG
b. B-rep
c. Loft
d. none of the above
Q. For 3D modeling of automobile body styling, which of the following is a preferredtechnique?
a. Constructive Solid Geometry
b. Pure Primitive Instancing
c. Boundary Representation
d. Spatial Occupancy Enumeration
Q. Which of the following uses a number of two-dimensional profiles for generating athree-dimensional object?
a. Tweaking
b. Lofting
c. Filleting
d. none of the above
Q. To create a hollow part, which of the following command would be most efficient?
a. Extrude
b. Sweep
c. Shell
d. Revolve
Q. Write parametric equation of line having end points P1(3,5,8) and P2 (6,4,3).
a. [3 5 8]+u[3 -1 -5]
b. [3 5 8]+u[3 1 5]
c. [3 8 5]+u[3 -1 -5]
d. [3 5 8]+u[-3 1 5]
Q. Find the tangent vector of line having end points P1(3,5,8) and P2 (6,4,3)
a. 3i+j-5k
b. 3i-j-5k
c. 3i-j+5k
d. -3i-j-5k
Q. Find coordinates of points on line having end points P1(3,5,8) and P2 (6,4,3) at u=0.25
a. [3.75 4.25 6.25]
b. [3.25 4.25 6.25]
c. [3.75 4.75 6.75]
d. [4.25 3.75 6.25]