ANSWERS TO CHAPTER QUESTIONS

ANSWERS TO CHAPTER QUESTIONS A1. The amount of body resistance you have to the current flow, the path the current takes through your body, and the length of time the current flows through your body. A2. Isolate, insulate, and ground. A3. ALWAYS notify and obtain permission from your commanding officer (afloat) or your supervisor (ashore) to work on energized equipment. (Some commands require you to complete a checklist before doing this.) A4. When your measuring a voltage above 300 volts, you must NOT hold the test probe while the equipment is energized. Instead, you must attach the test probes while the equipment is de-energized. A5. Electrostatic discharge (ESD). A6. A microwave oven. RF injuries result from the tissue being “cooked” in a manner similar to the way food is cooked in a microwave oven. A7. Working aloft or over the side, doing corrective or preventive maintenance. A8. Ensure that personnel are qualified to do the work they are about to do, maintain tag-out logs, signing and issuing tags and tag-out record sheets, clear the record sheets from the tag-out logs, and destroying the tags when the work is completed. A9. Tag-out logs, CAUTION Tags (NAVSHIPS 9890/5), DANGER Tags (NAVSHIPS 9890/8), OUT-OF-CALIBRATION Labels (NAVSEA 9210/6), and OUT-OF-COMMISSION Labels (NAVSHIPS 9890/7). A10. Safety shoes, rubber gloves, safety shorting probes, eye protection, hearing protection, respiratory protection, and deck-insulating material. 3-15