NCCCO 8 Exam Questions and Answers 100 Pass

Page 1/5 Crafted for Academic Insight by KatelynWhitman. All rights reserved © NCCCO 8 Exam Questions and Answers 100% Pass

According to OSHA, what clearance should a crane in transit keep while going under 445KV lines? - ✔✔16 feet While operating a crane near 280KV powerlines, what distance does OSHA require you to keep? - ✔✔17 feet 8 inches When working around power lines you must: - ✔✔Avoid stockpile material under powerlines Maintain the correct distance according to the rated K.V.Ground the crane with the proper grounding cable What is the proper procedure when using an insulating link or a boot near power lines? - ✔✔Be sure to maintain the correct allowable distance from the lines.What is the minimum allowable distance from the crane and powerlines under 50k V? - ✔✔10 ft.When working near powerlines when is a signal person required? - ✔✔When crane moves within a booms length of the limit of approach.When is it safe to work closer than the allowable distance from powerlines? - ✔✔When utility company says lines are de-energized When is it safe to handle loads under power lines? - ✔✔The load nor any part of the crane can come closer than regulations allow.If a crane comes in contact with power lines, it is critical that everyone be kept away from 1 / 2

Page 2/5 Crafted for Academic Insight by KatelynWhitman. All rights reserved © the crane, the loadline and the load because: - ✔✔All three can become energized, including the ground around the crane, and you could be electrocuted by just getting too close to any of them.If a crane only momentarily contacts a power line of 6,000 volts: - ✔✔The crane should be stopped and inspected immediately to determine the path of electricity because wire rope, seals, bearings, wiring, tires, etc. can become damaged.The minimum clearances allowable between power lines and any part of the crane vary depending on the voltage of the lines. What are minimum clearances required by OSHA for powerlines above 50,000 volts? - ✔✔10 feet plus 0.4 inch per 1,000 volts above 50,000 kv . Electrocution is the number one cause of fatalities associated with cranes. Does the boom load line or load have to physically contact a power line for electrocution to occur? - ✔✔No When working near power lines where any part of the crane or load could get closer than allowed: - ✔✔It is necessary to have a signalperson whose only job is to warn when the limits are being violated.When working near power lines, tag lines and slings should be constructed of: - ✔✔Polypropylene or polyethylene and webbing because they offer fair insulating properties.Insulating links, boom point guards, proximity warning devices are typical safety devices available to assist cranes working near power lines. They are considered: - ✔✔Sometimes reliable The load line of the crane you're operating comes into contact with an energized power line.There's no sign of any other danger, such as fire. In such a situation, you should: - ✔✔Stay in the cab until the lines are de-energized

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