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ESD CONTROL FOR MATERIAL HANDLERS TRAINING CERTIFICATION TEST (DVD-77C) v.3 8. The wrist strap needs to be a. worn snugly against the skin b. attached securely to a ground wire with a current limiting resistor c. quickly connected or disconnected d. all of the above 9. Shoe grounders rely on moisture from your sock to provide a complete electrical connection from your body to ground (True or False) 10. If you experience a problem when testing wrist straps or shoe grounders a. wiggle the wrist strap, then tap it five times b. let your supervisor know immediately c. place both feet on the metal plates d. all of the above 11. Conductive smocks are used to a. look fashionable while transporting ESD sensitive devices b. make employees feel part of the team c. conduct electricity d. cover static generating clothing and drain any charges to ground 12. The three biggest causes of ESD damage in material handling are a. high humidity, no air ionizers, only wearing shoe grounders b. electric fields, static dissipative mats, no staticide on tools c. no personal grounding, improper packaging, electric fields d. improper packaging, eating at workstations, no personal grounding 13. Non-conductive materials tend to a. protect devices from ESD b. generate and hold static charges c. conduct electricity when given the opportunity d. provide a static dissipative function 14. If possible, all plastic and paper products should be eliminated from your work area (True or False) 15. An air ionizer may be needed to a. neutralize charges b. control the humidity c. generate an anti-static spray d. all of the above 4
ESD CONTROL FOR MATERIAL HANDLERS TRAINING CERTIFICATION TEST (DVD-77C) v.3 16. Static dissipative materials a. store static charges b. insulate conductor zaps c. conduct electricity slowly enough to avoid damaging ESD sensitive parts d. all of the above 17. The best protection for ESD sensitive devices is to a. store them in a static shielding container b. store them in a static dissipative container c. store them using a combination of static shielding and static dissipative packaging d. store them in a closed cardboard box 18. Components should be a. handled only by the leads b. handled only by a non-conductive portion of the body c. pushed along a static dissipative surface d. none of the above 19. If you need to transport ESD sensitive devices between ESD protected areas a. hand carry the items b. use static shielding bags or containers c. wheel the components on any handy push cart d. move quickly to avoid ESD damage 20. Which of the following is considered an unsafe ESD practice a. using air ionizers at a workstation b. static generating materials close to ESD sensitive components c. transporting ESD sensitive items on the production floor d. working in a high humidity environment 5
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