​Welding Shop Supervisors ____

question 35

Multiple Choice

​Welding shop supervisors ____.

• A) ​have a high degree of skill and knowledge of small-business management
• B) ​operate machines or automatic equipment used to make welds
• C) ​position all the parts in their proper places and make ready for the tack welders
• D) ​demonstrate good management skills by planning jobs and assigning workers

---

Definitions:

Relative Luminance

A measure of the amount of light that is emitted, reflected, transmitted, or viewed from a surface, adjusted for its perceived brightness to the human eye.

Brightness Constancy

The human visual system's ability to perceive objects as having a constant brightness even when the lighting conditions change.

Moon Illusion

An optical illusion in which the moon seems bigger when observed near the horizon compared to when viewed higher in the sky.

Retinal Disparity

The slight difference in the visual images that reach each eye, leading to depth perception.