CIP Level 2 – Quiz 3 ____________________________________________________________________________________

1. The use of an eletrostatic handgun has a transfer efficiency of which of the following?

A. <25% B. <50% C. Between 50 - 75% D. About 98%

2. In powder coating with electrostatic spray, due to the Faraday cage effect, efficiency will drop considerably on which of the following?

A. Outside of a metal box B. Inside of a metal box C. Flat surface D. Outside of a curved surface

3. In powder coating, to complete the process from flow stage to cure generally takes

A. Three seconds B. Less than three minutes C. More than an hour D. Eight hours

4. Which of the following is often applied by electrostatic spray?

A. Zinc-rich epoxy B. Powdered epoxy C. Coal tar enamel D. Epoxy grout

5. In heat curing a coating, heating should be controlled to avoid which of the following?

A. Thermal shock to lining B. Increase in the relative humidity C. Lowering dew point D. Increasing oxygen level

6. Some advantages of heated spray include which of the following?

I. Coatings may have higher viscosityII. Drying time may be shorterIII. Hiding power will be increasedIV. Coatings may be sprayed at lower ambient temperatures

A. I only B. I & II only C. I, II & III only D. II & IV only

7. With an external mix plural component spray gun, the material is mixed

A. in a static mixer just before the spray gun. B. in a mechanical mixer just before the spray gun. C. in the spray pattern in front of the spray gun. D. inside of the spray gun itself.

8. Electrostatic spray application is effective only on bare metal or other suitable conductive surfaces.

A. True B. False

9. Which of the following is a disadvantage of electrostatic spray?

A. Poor coverage B. Excessive overspray C. Generally only one coat can be applied D. Non-uniform film thickness

10. Which of the following statements is NOT true about the application of coating by electrostatic spray method?

A. Transfer efficiency is improved B. High voltage is required C. Substrate must be conductive D. All liquid coatings can be applied

11. Plural component spray equipment requires which of the following?

A. Use of spray guns which mix the components at or before the gun B. Spraying on the catalyst after spraying on the resin C. Use of power rollers D. Electrostatic charge

12. When using a holiday detector on concrete, the inspector should NOT

A. insure a suitable ground. B. know that the conductivity of the surface may vary. C. use a high voltage holiday detector. D. become the ground.

13. Effloresence is

A. a weak surface layer of water-rich cement. B. An oil reaction with alkalinity to make a soap. C. Moisture passing through the concrete and carrying soluble concrete

salts D. Ice crystals on the surface.

14. The Joint Surface Standard for Surface Preparation of Concrete is which of the following?

A. NACE 5/SSPC-SP-10 B. NACE 2/SSPC-SP-11 C. NACE 3/SSPC-SP6 D. NACE 6/SSPC-13

15. Abrasive blast cleaning of concrete

A. provides a smooth, regular surface. B. provides an anchor pattern different than abrasive blast cleaned steel. C. is equivalent to NACE No. 2/SSPC-SP-10. D. provides no anchor pattern at all.

16. Sacking and stoning are surface treatments for concrete which consist of scrubbing a mix of cement mortar over the concrete with a sack or abrasive block. It is important to

A. wait until the concrete has cured completely before starting theoperation.

B. ensure that the concrete surface is dry so that it will draw excess waterout of the cement mortar.

C. start sacking as soon as possible after the concrete forms have beenremoved.

D. wait ten (10) days before applying the cement mortar mix to theconcrete.

17. Concrete cures by the process known as which of the following?

A. Saponification B. Alkalinity C. Hydration D. Aggregation

18. During the reaction with its environment, a protective oxide film is formed on which of the following metals and alloys?

I. Stainless steelII. NickelIII. TinIV. Cadmium

A. I & II only B. I, II & III only C. I & III only D. I, II, III & IV

19. Which of the following materials has the best resistance to ozone, gasoline, acids and bases?

A. Butyl rubber B. Neoprene rubber C. Nitrile rubber D. Chlorobutyl rubber

20. Rubber linings cannot be cured by which of the following?

A. Vulcanizing B. Exhaust steam C. Ambient air D. Chemical cure

21. Wax coatings are used on brick and tile in flooring systems to

A. prevent the brick or tile from bonding to the substrate. B. prevent the brick or tile from sticking to one another. C. to provide a moisture barrier between the brick and the substrate. D. facilitate cleaning of excess grout after installation.

22. The most commonly used installation method for chemical resistant brick or tile is which of the following?

A. Grout-Strike method B. Bricklayer's method C. Mason's method D. Tile setter's method

23. The thickness of concrete weight coating applied to a pipeline for underwater use may range from

A. 1/4 inch to 1/2 inch (6 mm to 13 mm) B. 2 inches to 12 inches (50 mm to 305 mm) C. 24 inches to 36 inches (60 cm to 90 cm) D. 36 inches to 48 inches (90 cm to 122 cm)

24. When cathodic protection is used to protect a pipeline, coatings are applied to

A. improve the effectiveness of protection. B. improve the passage of current flow. C. make the pipe easier to inspect. D. increase the voltage needed for the CP system.

25. Protective coatings are applied to the exterior surfaces of underground pipelines for which of the following?

A. Appearance B. Corrosion protection C. Weatherproofing D. To improve transmission efficiency