Quality Management Quiz 8

A laser scanner uses what principle for measuring?

• Polygonisation
• Triangulation
• Structured light principle
• 2D scanning principle

The direct result of a scan with a 3D stereoscopic scanner is:

• A mesh
• A 3D model
• A point cloud
• An image

Aligning the part with the machine axes has the advantage of:

• higher accuracy because the CMM moves one axis at a time
• higher accuracy because the CMM moves two axes at a time
• lower measurement times
• looking well aligned

Scanning is a term reserved for optical senzors

• True
• False

If we have to measure a car body, what CMM would be most appropriate?

• Column CMM
• Cantilever CMM
• Gantry CMM
• Fixed Bridge CMM

The continuous movement along a surface of a stylus is called:

• Measuring
• Scanning
• Point measurement
• Tracking

In analyzing a control chart, if we identify a trend, what action should we take first:

• reduce the temperature
• increase the productivity
• stop the process
• analyze the results

Flatness and cylindricity need reference (datum) elements

• True
• False

What is the optical resolution?

• The ability of a system to distinguish between two points
• The number of pixels in an image
• The pixels in all images combined
• The number of voxels

Linear regression shows

• if there is an association between 2 variables
• the model of a relationship between 2 variables
• the influence of a variable on another
• the causality between 2 variables