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WEDNESDAY, MARCH 11, 2020
True or false: Relative humidity sensors used to determine moisture content of concrete slabs require three days to provide accurate results after probes are inserted into a slab.
True. False.
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Previous Quizzes from the Past Week
TUESDAY, MARCH 10, 2020 Which of the following respirator types is classified by OSHA as an engineering control?
MONDAY, MARCH 9, 2020 What organization published a new standard in 2019 that aims to improve the reliability and sustainability of iron water pipes that provide clean drinking water?
FRIDAY, MARCH 6, 2020 True or false: OSHA is celebrating its 75th anniversary this year.
THURSDAY, MARCH 5, 2020 True or false: Inorganic Zinc-rich coatings are often used on the faying surfaces of slip-critical joints.
WEDNESDAY, MARCH 4, 2020 SSPC has a Qualification Procedure on installation of tank linings in the field.
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