Top 350+ Solved CAD-CAM and Automation MCQ Questions Answer
Q. Which of the following is not the advantage of CNC machines?
a. Higher flexibility
b. Improved quality
c. Reduced scrap rate
d. Improved strength of the components
Q. In part programming, interpolation is used for obtaining trajectory.
a. helicoidal
b. pentagonal
c. triangular
d. zig-zag
Q. Incremental dimension in circular interpolation in X-axis is denoted by
a. J
b. I
c. K
d. None of the above
Q. Repetitive CNC machine operations conveniently performing and execute with onecommand instead of programming of series of individual move called …..
a. Common Cycle
b. Incremental Programming
c. Canned Cycle
d. None of the above
Q. In CNC programming …….. is commonly used canned cycle for Stock removal cycle
a. G71
b. G72
c. G73
d. G74
Q. ……… is the origin of the coordinate system which is defined by manufacturer they cannotbe changed
a. Blocking Point
b. machine Zero Point
c. Start Point
d. Program Zero point
Q. To indicate the position of the workpiece ly & easily machine zero pint should be displacedto another point on the workpiece called…
a. Workpiece zero Point
b. machine Zero Point
c. Start Point
d. Program Zero point
Q. The distance of a given tool tip from the surface of workpiece is known as…..
a. Tool length
b. Tool length offset H
c. Cutter radius
d. Compensation
Q. In CNC machining tool radius compensation turning the left mode ON programming contourdone by
a. G40
b. G41
c. G42
d. G43