CIP 1 CH.5

High humidity in the air during coating application can cause which of the following:

• Solvent entrapment

• Rapid solving evaporation

• Solvent combustion

• Shorter induction times

Which of the following conditions are not suitable for coating application?

• Surface temperatures at 16C (60F) and a Dew Point of 11C (52F)

• Surface temperature of 18C (64F) and a Dew Point of 16C (60F)

• Surface temperature of 16C (60F) and a Dew Point of 9C (48F)

• Surface temperature of 20C (68F) and a Dew Point of 16C (60F)

In general, the Relative Humidity should be below what level for coating operations to continue?

• 75%

• 85%

• 95%

• 100%

Where should environmental conditions be measured?

• Every four meters

• At the highest point on the structure

• Only in the coolest areas on the structure

• Where the work will be performed

You are an inspector in a job site. The air temperature is 28C (84F), your relative humidity is below 85% and your steel temperature is 26C (79F). Which of the following is the highest acceptable dew point for coating work to continue?

• 29C (85F)

• 28C (84F)

• 26C (79F)

• 23C (74F)