Top 350+ Solved CAD-CAM and Automation MCQ Questions Answer
Q. Two lines L1 and L2 having Parametric equations are P1=[3 4 7]+u[2 2 -6] and P2=[15 -2]+u[1 4 2]. Tangent vector for line L1
a. 2i+2j-6k
b. 2i+2j+6k
c. 2i-2j-6k
d. 6-2j-2k
Q. Parametric equation for circle
a. X=x+Rcosu; Y=y+Rsinu; Z=z
b. X=Rcosu; Y=Rsinu; Z=z
c. X=x+Rsinu; Y=y+Rcosu; Z=z
d. X=Rsinu; Y=y+Rcosu; Z=z
Q. Center point of circle
a. [x1+x2]/2; [y1+y2]/2; [z1+z2]/2
b. [x1-x2]/2; [y1-y2]/2; [z1-z2]/2
c. [x1-x2]; [y1-y2]; [z1-z2]
d. [x2-x1]; [y2-y1]; [z2-z1]
Q. A circle is passing through two end points A[6,4] and B[10,10]. Find center point ofcircle
a. 7,8
b. 8,8
c. 8,7
d. 7,7
Q. Find parametric equation for X-coordinates of hermite cubic spline curve having endpoints P0[4,4]; P1[8,5]
a. -5u3+8u2+u+1
b. 5u3+8u2+u+1
c. 8u3-5u2-u+1
d. 8u3+5u2+u+1
Q. Find parametric equation for Y-coordinates of Hermite cubic spline curve having endpoints P0[4,4]; P1[8,5]
a. 2u3-3u2+2u+4
b. 3u3-2u2-2u-4
c. 2u3-3u2-2u-4
d. 2u3+3u2+2u+4
Q. Which of the following is not a method to describe a curve mathematically?
a. Explicit form
b. Laplace form
c. Implicit form
d. Parametric form
Q. When the curve passes through all the data points, then the curve is known as
a. approximation curve
b. pitch curve
c. data curve
d. interpolant curve