C33 Paint Application Equipment 2

Question 1

What is the primary advantage of an HVLP spray system over a conventional airless sprayer for interior trim painting?

Accepted Answer

HVLP achieves 65-85% transfer efficiency with less overspray

Answer

HVLP produces higher pressure for faster coverage

Answer

HVLP can only spray oil-based products

Answer

HVLP systems are always cordless

Question 2

When selecting an airless spray tip for painting broad exterior walls, what tip size range is most appropriate?

Accepted Answer

517-521 (wide fan, large orifice)

Answer

209-211 (small fan, fine orifice)

Answer

315-319 (medium fan, medium orifice)

Answer

625-631 (extra-wide fan, very large orifice)

Question 3

What maintenance must be performed on an airless sprayer immediately after use with latex paint?

Accepted Answer

Flush the system thoroughly with clean water until the discharge runs clear

Answer

Nothing - latex is water-based and self-cleaning

Answer

Disassemble the pump and soak in mineral spirits

Answer

Simply remove the spray tip and let the system dry

Question 4

A C-33 contractor needs to apply a smooth finish on interior doors. Which roller nap length is most appropriate?

Accepted Answer

1/4 inch or foam roller

Answer

3/4 inch nap

Answer

1/2 inch nap

Answer

1-1/4 inch nap

Question 5

What is the purpose of a 'whip hose' attached between the airless sprayer and the spray gun?

Accepted Answer

To reduce arm fatigue by providing a lightweight, flexible connection near the gun

Answer

To increase pressure at the tip

Answer

To filter paint before it reaches the tip

Answer

To cool the paint as it flows through

Question 6

When using an extension pole with a paint roller, what is the recommended technique for maintaining even pressure?

Accepted Answer

Apply moderate, consistent pressure and let the roller's weight do the work, keeping the pole at a slight angle

Answer

Push as hard as possible to maximize coverage

Answer

Pull the roller toward you with maximum force

Answer

Use only horizontal strokes