For compacting soil in trenches, an effective tool is the _____.
a. rubber-tired roller
b. vibrating-plate compactor
c. smooth steel-wheeled roller
d. segmented pad roller
Answer: B
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In which of the following situations should hearing protection be worn?
A. Working around a running diesel engine B. Using an air impact wrench C. Using an air hammer D. All of the above
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Explain the purpose and functionality of the EXAMINE OFF instruction.
What will be an ideal response?
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Los dos esquemas de cableado definidos en las normas TIA/EIA están definidos como esquemas
a. A y B. b. A y C. c. B y C. d. C y D.
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What is the cause of a flushometer vacuum breaker leaking around the air ports?
What will be an ideal response?
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