Osha 30 construction excavation exam with 100% correct answers
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Module
Osha 30 construction excavation
Institution
Osha 30 Construction Excavation
when your trench is deeper than 4 feet and hazards may be present air monitoring must be done before entry correct answersA. true
Excavation safety standards have introduced in 1989 correct answersA. true
To be classified as type a the soil cannot be correct answersE. all of the above
each...
when your trench is deeper than 4 feet and hazards may be present air monitoring must be done before
entry correct answersA. true
Excavation safety standards have introduced in 1989 correct answersA. true
To be classified as type a the soil cannot be correct answersE. all of the above
each of the following is a type b soil except correct answersD. sand
A soil are usually clays and cemented soil such as caliche and hardpan correct answersA. true
Which of the following are common soil classification tests correct answersE. all except c
the most important distinction between stable rock types is correct answersC. degree of stability
the definition of type c 60 soil is provided by manufacturers to allow the competent person an
opportunity to use vertical shores or other protective systems in accordance with tables provided by the
manufacturer correct answersA. true
A defining feature of stable rock is that it will correct answersB. remain intact while exposed
Osha requires that the competent person perform two visual and two manual tests correct answersB.
False
A soil cannot be type a if it is correct answersD. all of the above
which of the following statements is true of kick out correct answersD. all of the above
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