NACE CP1 Elaborate Exam
Questions with Verified Answers
1. Define dew point temperature - ANSWER Temp at which moisture begins
to form. Temp to which a volume of air must be cooled to reach saturation
2. Effects of wind on a coating project - ANSWER 1. Blow abrasives into
coating area 2. Excessive drift/overspray of coatings 3. accelerated solvent
evaporation 4. Formation of dry spray
3. Electronic hygrometer errors - ANSWER 1. Reading taken in sunlight 2.
Instrument left in place to long 3. Instrument removed before stabilized
4. Process for using sling psychomotor - ANSWER 1. Saturate sock w/clean
water 2. Whirl instrument rapidly for 40 sec. 3. Read wet bulb temperature
5. 3 desirable coating properties - ANSWER 1. Chemical resistance 2. Water
resistance 3. Ease of application
6. 2 Coating classifications - ANSWER 1. Organic 2. Inorganic
7. Primary components of liquid applies coating - ANSWER 1. Pigment 2.
Binder 3. Additive 4. Solvent
,8. 3 Methods how coating provides corrosion control - ANSWER 1. Barrier
coatings 2. Inhibitive coatings 3. Sacrificial coatings (cathodic protection)
9. 3 Ways coating can adhere - ANSWER 1. Chemical 2. Mechanical 3. Polar
10.SSPC-SP10/NACE 2 limits staining to ______per each unit area -
ANSWER 50%
11.Visual standards for abrasive blasting - ANSWER SSPC-VIS 1
12.2 Abrasive blasting methods - ANSWER 1. Centrifugal blasting 2. Dry grit
blast cleaning
13.4 Examples of power tool cleaning - ANSWER 1. Rotary wire brush 2.
Grinder 3. Needle scaler 4. Impact tools
14.Power tool cleaning standard - ANSWER SSPC-SP3
15.3 Advantages of centrifugal blast equipment - ANSWER 1. Good for large,
flat areas 2. Lower production costs 3. good for stationary set-ups
16.The specifies level of surface cleanliness must be achieved and maintained -
ANSWER Prior to and during coating
17.2 Types of abrasive blast nozzles - ANSWER 1. Venturi 2. Straight bore
18.What percentage of NACE standards pertain to coatings? - ANSWER
Approx. 50%
, 19.Definition of a standard - ANSWER Established norm or requirement
written by an industry professional
20.Type of high voltage detector used for concrete - ANSWER Constant
current DC
21.Conductive wire - ANSWER Corresponds to a metallic pathway in a
corrosion cell
22.Positive electrode - ANSWER (Carbon, graphite) corresponds to the
cathode in a corrosion cell
23.Electrolyte mediums - ANSWER Moist ammonium chloride and zinc
chloride
24.The criterion of -850 mV is referenced to which electrode? - ANSWER
copper-copper sulfate
25.A commonly used galvanic anode material for steel is... - ANSWER
magnesium
26.Galvanic anodes are generally used where
a) a large amount of current is required
b) soil resistivity is high
c) a small amount of current is required
d) control of current is required - ANSWER c
Questions with Verified Answers
1. Define dew point temperature - ANSWER Temp at which moisture begins
to form. Temp to which a volume of air must be cooled to reach saturation
2. Effects of wind on a coating project - ANSWER 1. Blow abrasives into
coating area 2. Excessive drift/overspray of coatings 3. accelerated solvent
evaporation 4. Formation of dry spray
3. Electronic hygrometer errors - ANSWER 1. Reading taken in sunlight 2.
Instrument left in place to long 3. Instrument removed before stabilized
4. Process for using sling psychomotor - ANSWER 1. Saturate sock w/clean
water 2. Whirl instrument rapidly for 40 sec. 3. Read wet bulb temperature
5. 3 desirable coating properties - ANSWER 1. Chemical resistance 2. Water
resistance 3. Ease of application
6. 2 Coating classifications - ANSWER 1. Organic 2. Inorganic
7. Primary components of liquid applies coating - ANSWER 1. Pigment 2.
Binder 3. Additive 4. Solvent
,8. 3 Methods how coating provides corrosion control - ANSWER 1. Barrier
coatings 2. Inhibitive coatings 3. Sacrificial coatings (cathodic protection)
9. 3 Ways coating can adhere - ANSWER 1. Chemical 2. Mechanical 3. Polar
10.SSPC-SP10/NACE 2 limits staining to ______per each unit area -
ANSWER 50%
11.Visual standards for abrasive blasting - ANSWER SSPC-VIS 1
12.2 Abrasive blasting methods - ANSWER 1. Centrifugal blasting 2. Dry grit
blast cleaning
13.4 Examples of power tool cleaning - ANSWER 1. Rotary wire brush 2.
Grinder 3. Needle scaler 4. Impact tools
14.Power tool cleaning standard - ANSWER SSPC-SP3
15.3 Advantages of centrifugal blast equipment - ANSWER 1. Good for large,
flat areas 2. Lower production costs 3. good for stationary set-ups
16.The specifies level of surface cleanliness must be achieved and maintained -
ANSWER Prior to and during coating
17.2 Types of abrasive blast nozzles - ANSWER 1. Venturi 2. Straight bore
18.What percentage of NACE standards pertain to coatings? - ANSWER
Approx. 50%
, 19.Definition of a standard - ANSWER Established norm or requirement
written by an industry professional
20.Type of high voltage detector used for concrete - ANSWER Constant
current DC
21.Conductive wire - ANSWER Corresponds to a metallic pathway in a
corrosion cell
22.Positive electrode - ANSWER (Carbon, graphite) corresponds to the
cathode in a corrosion cell
23.Electrolyte mediums - ANSWER Moist ammonium chloride and zinc
chloride
24.The criterion of -850 mV is referenced to which electrode? - ANSWER
copper-copper sulfate
25.A commonly used galvanic anode material for steel is... - ANSWER
magnesium
26.Galvanic anodes are generally used where
a) a large amount of current is required
b) soil resistivity is high
c) a small amount of current is required
d) control of current is required - ANSWER c
