Coating Qc Inspector Interview Questions And Answers
What does Ph value shows?
Acidity of a solution
FBE powder coating?
Thermoset
Thermoplastic
Liquid FBE coating
Solvent and paints shall not be applied over substrate of temp greater than?
50 Deg
Brush off blast cleaning?
SSPC SP7 (Sa 1) light blast cleaning
Swedish standard for near white metal blast cleaning?
Sa 2
Sa 2.5
Sa 1
Sa 3
How RH can be measured?
Dry film thickness
Sling Psychrometer
What can be measured using sling psychrometer?
Temperature
Dew Point
Relative Humidity
DP can be measured by?
Whriling psychrometer
What is the pressure for blotter test?
50 PSI
What is classification of coating?
A. Solvent and Binder
B. Pigment and vehicle
C. Organic and inorganic coating
When recoat interval to be monitored?
Primer to top coat
Stripe coat to top coat
Every coat
A&C
All of the above
PE can be done by cross extrusion or sideways extrusion?
True/False
Gauge used for 25mic film coating A. Digital gauge
Banana Gauge
Pocket spot instrument gauge
All of the above
Requirement for light in confined space?
12V explosion proof (500 lux)
Sigma paint can be painted over jotun?
True/False
Lining is not suitable for
Corrosion
UV protection
Abrasion
Erosion
Aramco standard for safety requirements?
SAES-H-102
Safety catch of the spray gun shall always be engaged when unattended?
Airless spray
Conventional spray
Spray booth
All of the above
What is the advantage of centrifugal blast machine
Dust containment
Inexpensive
Concave area can be easily blasted
What will be done prior to blasting of crude tank bottom plate?
Water wash
Solvent cleaning to remove oil & grease
What will be the WFT when DFT is 75mic with VS% of 50?
150 micron
How much quantity is required to paint 100Sq M with DFT of 300Mic
60 L
30.3 L
10 L
100 L
What affects the coat when dry spray, oxide formation
Coating Adhesion
Coating Adhesive
What is the abrasive medium for SSPC SP12?
Water
What does spray nozzle tip 421 denotes?
A. 4 Deg and 0.021 inches
B. 40 Deg and 0.021 Inches
C. 4 Deg and 21 inches
What does the pump ratio means?
Outlet of compressor and inlet of pump
Inlet of comp and outlet of pump
Inlet of pump and outlet of pump
Painter wants to use 5L but not available, painter has only 20 L of Part A & B. What he can do?
Full cans to be used
Holiday voltage for epoxy immersion service?
2400 +/- 50
Hand applied paint system for splash zone?
APCS 20
APCS 22B
APCS 113
APCS 19A
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