COATING _Questions

1. Min. Pressure at nozzle required for Abrasive blast cleaning.

a) 90 PSI b) 40 PSI c) 120PSI
2. For cone shaped tanks coating, Coating shall be done.
a) Shell side, b) Roof to bottom. c) Bottom
3. PH value shows
Ans: Acid / alkaline nature
4. FBE coating powder in liquid form stage is mentioned as
Ans: Gel stage
5. Dew point (definition)

6. Induction time (definition)

7. Min moisture content required for New concrete structure prior to coating.
a) 0.14 b) 0.1 c) 0.04
8. Max allowed speed of probe in Holiday test.
a) 30 mm/s b) 3 mm/s c)300mm/s
9. Type of field adhesion test used for FBE coating.
Ans: Cross cut
10. Solvents and paints shall not be applied over substrate if temp. Greater than ….
Ans: 800C
11. SSPC-SP7
a) Commercial blast cleaning b) Brush off blast cleaning c) White metal cleaning
12. Surface profile measurement instrument.
Ans: Dial micrometer
13. Part of blasting equipment helped when a worker fainted down during abrasive blasting.
Ans: Dead man’s Handle
14. Holiday test shall not be done if temperature of substrate is more than…
a) 780C b) 680C c) 88°C.
15. Potassium Ferro cyanide test is used for detecting.
Ans: Soluble Iron salts
16. Max allowed chloride content for abrasives.
a) 100 ppm b) 50 ppm c) 40ppm
17. Stripe coating for Inorganic zinc coating shall be done at.
a) Before first coat application b) After first coat application
18. Attachment form submitted for coating inspector to review daily activities according to SAES-H-100-
01
a) Attachment A and B b) Attachment C c) Attachment D
19. SSPC SP1
Ans: Solvent cleaning
20. PE coating on piping can be done by Cross extrusion / sideways extrusion.
True /False
21. Profile measurement range for X-Coarse testex tape.
Ans: 35-115 Microns
22. Gauge used for dry film thickness on thin film coating.

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 COATING _Questions
a) Digital gauge b)Banana gauge c) Pocket spot Instrument gauge d)All of the above
23. MSDS shall be used by.
a) Coating b) Solvent c) Cleaners d) All
24. Weld cap / internal protrusion shall not be more than
1.5 mm
25. Requirement of Light used for confined space
a) 24 V explosion proof b) 12V explosion proof c)110V explosion proof d)12V normal
26. Sigma paint can be over coated with Jotun
False
27. Silica gel is not a good desiccant.
True /False
28. Silica sand can use for abrasive blasting
True /False
29. Coating shall be done within ----hrs of blasting completion.
a) 2 b) 3 c) 4
30. Lining is not suitable for
a) Corrosion b) UV protection c) Abrasion
31. Who will recommend the solvent type for coating
a) Coating Inspector b) Manufacturer datasheet c) Contractor
32. VS% of Paint system is available in
a) SAES-H-001 b) SAES-H-002 c) SAES-H-101V
33. Hand tool cleaning will make the surface
a) Rough b) Smooth and shiny c) Very good Profile
34. Surface cleaning requirement for Road crossing area pipeline coating except APCS-113C
a) Sa1 b) Sa2 c) Sa3 d) Sa2.5
35. Blisters formed on coating by
Water/solvent entrapment underneath the coating film.
36. Coating on sharp edges /corners will be
Removed / peeled off
37. Method of coating application used for immersed service
a) Air spray coating b) Airless spray coating c) Thermal spray d) Electrostatic coating
38. Sealer coat application is possible immediately following thermal spray coating.
True/false

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