Technician a Says That When Adjusting a Spray Gun, the Most

question 15

Multiple Choice

Technician A says that when adjusting a spray gun, the most accurate place to read pressure is at the wall regulator. Technician B says that when adjusting a spray gun, the most accurate place to read pressure is at the air cap. Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

---

Definitions:

IR Bond Stretches

Refers to changes in bond lengths within molecules as observed in infrared spectroscopy, indicative of various functional groups.

Wavenumber

A measure of the frequency of a vibration or a wave, often used in spectroscopy, expressed as the number of waves per unit distance.

IR Absorption

The process where a molecule absorbs infrared light, leading to an increase in vibrational energy levels, used in infrared spectroscopy to identify functional groups within a molecule.

But-1-ene

A simple alkene with a double bond between the first and second carbon atoms in its four-carbon chain.