CHST Exam Study Guide questions with correct answers
Is a trench considered an excavation? CORRECT ANSWER Yes What is the distance a worker needs to maintain from power lines? CORRECT ANSWER 10ft What does the severity of electric shock depend on? CORRECT ANSWER Path of current, amount of current, duration of exposure True or false: electrical current as low as 75 milliamps can cause death? CORRECT ANSWER True What are some examples of surcharge loads? CORRECT ANSWER Spoils pile and equip being too close to walls What is the correct extension cord for construction? CORRECT ANSWER 3 wire type designed for hard or extra hard use True or false: Exposed metal parts of equipment should be grounded CORRECT ANSWER True How does a gfci protect against electrical shock? CORRECT ANSWER Detects the difference in current between the black and white wires How can overloaded circuit hazards be controlled? CORRECT ANSWER Through the use of electrical protective devices
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chst exam study guide questions with correct answe
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