建設安全衛生の理解度チェキ！（その１）
ぽっくり参った〜（略してポクッター）ファウンダーの◯◯◯ッチででん！
ちな、ネタいじりだけ集約したマガジンもあるんで見逃しチェキっちょw
ドロン希望の方は、ココから他の理解度チェキにバシルーラしちまお〜ぅ。
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The best choice to protect eyes from dust is to wear
❎ Full-face welding shields
⭕️ Goggles
❎ Safety spectacles with side shields
❎ Safety spectacles without side shields
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How often must insulating gloves be tested to ensure they still protect against electric shock?
❎ Monthly
❎ After each use
⭕️ Every six months
❎ Annually
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The most appropriate technique that construction safety professionals can use to analyze system safety at smaller worksites is
⭕️ Job Safety Analysis (JSA)
❎ Probabilistic Risk Assessment
❎ Management Oversight and Risk Tree Analysis (MORT)
❎ Fault Tree
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If more than 25 employees are working underground, the following safety procedure(s) must be in place:
⭕️ All of the above
❎ Entries and exits to the underground work area must be posted with safety signs
❎ Two rescue teams must be available
❎ A designated person posted aboveground must keep count of the underground workers
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If a trench 3 feet deep is dug in gravel material, what must the angle of the trench wall be?
⭕️ 45 degrees
❎ 53 degrees
❎ 63 degrees
❎ 75 degrees
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What load can a 2-inch hydraulic cylinder used as part of a shoring system safely support?
❎ 10,000 pounds
❎ 23,000 pounds
❎ 30,000 pounds
⭕️ 18,000 pounds
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For a scaffolding system to safely hold two 200-pound workers and 50 pounds of equipment, how much weight must the scaffolding planks and suspension ropes be capable of holding?
⭕️ The planks must hold 1,800 pounds, and the suspension ropes must hold 2,700 pounds
❎ The planks must hold 2,700 pounds, and the suspension ropes must hold 1,800 pounds
❎ Both the planks and suspension ropes must hold 1,800 pounds
❎ Both the planks and suspension ropes must hold 2,700 pounds
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If a crane is used to hoist workers, the angle between the base of the crane and the ground must not exceed
⭕️ 1 percent
❎ 0.5 percent
❎ 5 percent
❎ 2 percent
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