Which SSPC surface preparation standard covers solvent cleaning to remove oil, grease, and soluble contaminants?
Surface Preparation
Question · Easy
Six feet: a hard-hat anthem
Short
Which SSPC standard describes Hand Tool Cleaning using wire brushes, scrapers, and sandpaper?
Which SSPC standard covers Power Tool Cleaning that leaves tightly adhered mill scale and rust?
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SSPC-SP 6 / NACE No. 3 is the designation for which level of abrasive blast cleaning?
A specification calls for SSPC-SP 10 / NACE No. 2. What maximum percentage of each unit area may exhibit random staining?
Question · Medium
OSHA noise limits
Which SSPC standard requires Power Tool Cleaning to Bare Metal and the production of a surface profile?
What is the OSHA Permissible Exposure Limit (PEL) for respirable crystalline silica under 29 CFR 1910.1053?
Safety
What is the OSHA action level for respirable crystalline silica under 29 CFR 1910.1053?
How many degrees Fahrenheit above the dew point must the steel surface temperature typically be before applying most industrial coatings?
Environmental Conditions
What is the primary reason for the rule that surface temperature must exceed the dew point during coating application?
Which instrument uses dry-bulb and wet-bulb temperatures to calculate relative humidity and dew point in the field?
Which type of spray equipment uses high hydraulic fluid pressure (no atomizing air) to break the coating into droplets at the tip?
Equipment
Which spray method is generally considered to have the highest transfer efficiency, reducing overspray?
Plural-component spray equipment is most commonly used for which type of coating?
What does a notched comb gauge measure?
Film Thickness
A product data sheet specifies a target DFT of 4 mils and a coating volume solids of 50%. Approximately what WFT must be applied to achieve the DFT?
Which defect appears as a dimpled, pebbly texture on a sprayed coating film?
Defects
Which application defect describes a downward stream of coating caused by applying too much material in one pass?
A worker on a scaffold must be protected from falling at what minimum unprotected-edge height in general construction under 29 CFR 1926.501?
Under 29 CFR 1926.451, supported scaffolds generally require fall protection at what minimum height?
What is the Assigned Protection Factor (APF) of a properly fitted half-mask air-purifying respirator?
What is the OSHA Assigned Protection Factor (APF) for a full-facepiece air-purifying respirator?
Which type of respirator provides the highest level of protection for abrasive blasting using high-silica abrasive in a confined work area?
Question · Hard
Why are silica-containing abrasives (such as natural sand) generally restricted for outdoor abrasive blasting?
Which family of abrasives is angular, recyclable, and commonly used in shop blasting cabinets and wheel-blast machines for steel?
Abrasive Blasting
Which SSPC standard establishes cleanliness, hardness, and contaminant limits for mineral and slag abrasives?
Which SSPC document provides reference photographs for visual evaluation of abrasive-blast-cleaned steel?
In ISO 8501-1, initial rust grade 'A' refers to which condition of new steel?
For a typical 3- to 5-mil DFT epoxy primer on steel, which surface profile range is most commonly specified?
Which ASTM standard provides three methods (A visual comparator, B depth micrometer, C replica tape) for measuring surface profile?
When reading Testex Press-O-Film coarse replica tape, what thickness must be subtracted from the micrometer reading to obtain the true peak-to-valley profile?
What is the most common nozzle pressure target measured at the nozzle for production abrasive blasting?
During abrasive blasting, the proper way to verify nozzle pressure in the field is to use:
What is the recommended hand-tool action when cleaning a small SP 1 oily patch on steel before blasting?
Which condition is the BEST description of a properly mixed two-component epoxy with the correct induction time observed?
Mixing
What does “pot life” mean for a two-component industrial coating?
Which action is correct if a two-component coating begins to thicken before pot life is reached on a hot day?
Which coating chemistry is most likely to saponify (break down) in continuous water or alkaline immersion service?
Coating Chemistry
Which generic coating type provides galvanic (cathodic) protection to bare steel at scratches and pinholes?
What is the most likely cause of dry spray (rough, sandy texture) on an airless-sprayed coating?
Which gun motion technique deposits a uniform coating by alternating horizontal and vertical passes (cross-hatch)?
Application
Why is stripe coating applied to bolts, welds, and edges by brush or roller before each spray coat?
Approximately what gun-to-surface distance is generally recommended for airless industrial spray application?
What is the purpose of a 50% overlap pattern during spray application?
On an airless tip marked '517', what does the '17' represent?
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