Smog contains ________, which is an irritant to lungs and eyes
A) O2 B) CO2 C) O3 D) N2
C
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Which of the following is an approved wiring method allowed in fire-rated construction?
a. NM cable b. Nonmetallic raceways c. Metal-clad cable d. PVC
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What type of ladders may be used in a trench?
A. wooden stepladders B. metal extension ladders C. straight ladders D. any OSHA certified ladders
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What is the compression ratio of a compressor with a suction pressure of 400 psiA and a discharge pressure of 1600 psiA?
A. 2 B. 3 C. 4 D. 5
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Explain the column anchorage requirements in steel erection
What will be an ideal response?
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