LEVEL 1 QUESTIONS AND CORRRECT ANSWERS
(VERIFIED ANSWERS) Q&A 2026|INSTANT
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1. What is the primary purpose of bridge coatings?
A. Improve structural strength
B. Prevent corrosion
C. Increase weight capacity
D. Change bridge color
Rationale: Coatings mainly protect steel from environmental
corrosion.
Correct Answer: B. Prevent corrosion
2. What does SSPC stand for?
A. Steel Surface Protection Committee
B. Society for Protective Coatings
C. Structural Steel Painting Council
D. Surface Steel Painting Control
Rationale: SSPC is the Society for Protective Coatings.
Correct Answer: B. Society for Protective Coatings
3. What is the main cause of corrosion on steel bridges?
,A. Heat
B. Oxygen and moisture
C. Light
D. Sound
Rationale: Corrosion occurs due to electrochemical reaction
with oxygen and water.
Correct Answer: B. Oxygen and moisture
4. What is the purpose of surface preparation?
A. Improve paint color
B. Remove contaminants for coating adhesion
C. Increase steel hardness
D. Reduce bridge weight
Rationale: Proper surface prep ensures coating adhesion.
Correct Answer: B. Remove contaminants for coating adhesion
5. Which blast cleaning method uses steel shot?
A. Chemical cleaning
B. Water jetting
C. Shot blasting
D. Hand sanding
Rationale: Shot blasting uses steel abrasives.
Correct Answer: C. Shot blasting
,6. What does DFT mean?
A. Dry Film Thickness
B. Deep Fabric Treatment
C. Durable Finish Test
D. Direct Film Transfer
Rationale: DFT measures coating thickness after drying.
Correct Answer: A. Dry Film Thickness
7. Which instrument measures surface profile?
A. Thermometer
B. Profile gauge
C. Barometer
D. Hygrometer
Rationale: Profile gauges measure anchor pattern height.
Correct Answer: B. Profile gauge
8. What is flash rusting?
A. Fast paint drying
B. Rapid rust formation after blasting
C. Heat corrosion
D. Paint bubbling
Rationale: It occurs shortly after surface cleaning.
Correct Answer: B. Rapid rust formation after blasting
, 9. Which coating type is commonly used on bridges?
A. Epoxy
B. Wax
C. Oil paint
D. Watercolor
Rationale: Epoxy is durable and corrosion-resistant.
Correct Answer: A. Epoxy
10. What is the function of a primer coat?
A. Decorative finish
B. Initial adhesion and corrosion protection
C. UV reflection only
D. Color change
Rationale: Primer improves adhesion and protection.
Correct Answer: B. Initial adhesion and corrosion protection
11. What environmental factor MOST affects coating
application?
A. Wind speed only
B. Temperature and humidity
C. Traffic
D. Soil type