Question 1

Digital hygrometers

Options :

A : consist of a bimetallic sensing element protected from wind gusts

B : are used to measure temperature from a distance

C : use a thermocouple in contact with the surface to measure temperature

D : determine relative humidity, air temperature, and dew point temperature

Answer: D

Question 2

To achieve consistently accurate results with ALL soluble salt test equipment

Options :

A : wear gloves when sampling

B : wash you hands before sampling

C : avoid placing the sample discs on a surface

D : calibrate the instrument in the field

Answer: A

Question 3

When using a sling physchrometer a very large difference between the wet and dry bulb readings indicates:

Options :

A : High Relative Humidity

B : Low Relative Humidity

C : High Surface Temperature

D : Low Surface Temperature

Answer: B

Question 4

A single application coating film has measured dry film thickness (DFT) between 4 and 5 mils (between 100 and 125 microns). The volume solids of the coating immediately before application were 67%. What wet film thickness (WFT) was applied?

Options :

A : 5 to 6 mils (125 to 150 microns)

B : 10 to 12 mils (250 to 300 microns)

C : 8 to 10 mils (200 to 250 mils)

D : 6 to 7 mils (150 to 175 microns)

Answer: D

Question 5

NACE No. 4/SSPC-SP-7 is a joint standard for

Options :

A : white metal blast cleaning

B : brush-off blast cleaning

C : commercial blast cleaning

D : near-white metal blast cleaning

Answer: B