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Daily Quiz (30)


In coating work, how is a portable stylus instrument used?


True or false: Wet film thickness gages are inadequate for measuring thickness of fast-set polyurea coatings.


What is the name of the test instrument used to determine a coating’s resistance to fading through accelerated exposure to light?


What is a vernacular term for a wet film thickness gage?


An ultrasonic dry film thickness gage can measure dry film coating thickness on what substrate(s)?


True or false: Polyurea coatings require use of low-voltage holiday detectors for continuity testing.


True or false: Some moisture meters based on conductivity readings can be used on both wood and concrete substrates.


What inspection instrument uses a wet bulb and a dry bulb?


What type of gages are used to measure the dry film thickness of coatings on concrete?


True or false: Prior to being used for measurements, all thermometers should be exposed to the environment they will be used in for sufficient time to allow them to stabilize, according to a recent JPCL article.


True or false: According to a JPCL article, one year is a good starting interval between calibrations of a magnetic dry film thickness gage.


One mil of coating thickness equals approximately how many microns?


True or false: A Tooke gauge can sometimes be used to measure the thickness of individual coats of paint within a multicoat system.


True or false: Most sling psychrometers are less accurate than most electronic pyschrometers.


True or false: An ultrasonic dry film thickness gage can measure coating thickness on concrete, but not on wood substrates.


In relation to coatings technology, what is a “fingerprint technique”?


What is a Tooke gauge?


True or false: A hypodermic pressure gauge is normally used to measure the working pressure of a plural-component spray system.


True or false: An eddy current gauge is used to measure dry film thickness of coatings non-destructively on concrete substrates.


True or false: A hygro thermometer is used to measure the moisture content and temperature of insulation on hot piping.


Continuity testing of non-conductive coatings applied to a steel substrate is carried out with what type of instrument?


What is another name for the portable stylus instrument used to measure surface roughness of blast-cleaned steel?


True or False: The PosiTest Air Leak Tester is a laboratory device for determining if mock-ups have air leaks.


True or False? SSPC-PA 2 (2012) addresses the use of two types of gages for measuring dry film coating thickness.


What type of gages are used to measure the dry film thickness of coatings on concrete?


How is a Tooke Gage useful in failure investigations?


Which of the following dry film thickness gages is destructive?


True or false: Magnetic gages can be used for the non-destructive measurement of dry film thickness of coatings on concrete substrates.


A conductivity meter is normally used to check for what contaminants on abrasive for blasting?


True or false: For non-conductive coatings up to 20 mils thick applied to conductive substrates, a high-voltage holiday detector is normally used to detect pinholes and other discontinuities.


 
 
   

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