Linemen (chapter 1-4) EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+||NEWEST VERSION

Linemen (chapter 1-4) EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+||NEWEST VERSION Based on the safe work model shown in figure 1-2, name three elements that have the most direct influence on Safe work - Answer- Lockout/tagging, protective equipment, employee training Why is it important to report all accidents or near misses - Answer- To protect you financially from a future flareup and so lessons learned may prevent a fatality in the future Based on the risk formula if the probability of tipping over while working from a bucket truck is low but the consequence could be very high why is the work considered high risk - Answer- The consequence is high risk is always high What is the rubber glove rule for your employer? - Answer- Usually cradle to cradle but can also be ground to ground extended reach rule or lock to lock What is the purpose for inflating a rubber glove when doing a previous inspection - Answer- Allows for closer inspection and can listen for air leaks What is the difference between a job briefing and job plan - Answer- Job plan is written documentation of sequences possible hazards and effective barriers for each step in a job briefing is going over the job plan Name three high-risk Eye hazards in line work - Answer- Flying particles, UV light of electrical arc, working with acids, moving grounds Name two ways to positively identify a neutral wire - Answer- Check neutral connections at transformer a neutral position on a pole How can an isolated line be proven to be De energized - Answer- Tested and grounded number one physical open to test with approved tester and three apply grounds What tests are performed before entering a confined space - Answer- Tests are done for oxygen deficiency flammable gases in vapors before and after removing cover Name for hazards when working in excavations or trenches - Answer- Oxygen deficiency, cave-ins, utility lines and energize cables What are two signs that a coworker may be suffering from heat stress - Answer- Confusion pale skin passing out looks like they're dying of heat stress How can a linemen help protect the public from making contact with powerlines - Answer- Barricades, covers, traffic controllers around utility work How can a lineman reduce the risk of a pole falling to the ground while working aloft - Answer- Support the pole with a line truck boom ropes or guidelines or by lashing a new pull along the side it Name for safety courses that are necessary for work - Answer- CPR, defensive driving, pole top rescue, first aid What physical matters flowing in an electrical current - Answer- Electrons How is high voltage, over 750 V, measured safely - Answer- Substations using a voltage transformer How can a person get into trouble when measuring voltage with a multi meter - Answer- By plugging the test leads into the current jacks when testing voltage causing it to short out Why does a person normally not feel anything when hands are placed on each post of a car battery - Answer- The potential is only 12 V most people can feel 40 V it does not penetrate the resistance of skin What means can be used to positively identify the nominal voltage of a primary circuit - Answer- Nameplate on existing transformer Do electrons travel at the speed of light in an electrical curcuit - Answer- No they move .0001 in./s Does electrical current stop once it gets to the loaded it is feeding - Answer- No it returns to the source will not run unless in a circuit Why is opening a ground wire or a neutral on an energize circuit dangerous - Answer- Because an electrical current could be interrupted If a circuit is caring 100 A what portion of the current could induce ventricular fibrillation and probably death - Answer- 100a all