Medium Voltage Power Circuit Protection - CEU Your final score on this exam will be emailed to you for your records. First name:   Last name:   Company name:   E-Mail Address   City   State   NO STATEALAKASAZARCACOCTDEDCFMFLGAGUHIIDILINIAKSKYLAMEMHMDMAMIMNMSMOMTNENVNHNJNMNYNCNDMPOHOKORPAPRPWRISCSDTNTXUTVTVIVAWAWVWIWY Province (Optional)   Country (Optional)   1 The _____ extinguishes the arc produced when the contacts are pulled apart to interrupt current flow. Vacuum Interrupter Operating Mechanism Frame Switchgear 2 Eaton's medium voltage power circuit breakers provide protection of voltage systems from 1001 volts to 38 kV. True False 3 Medium voltage power circuit breakers use externally mounted "trip units" called _____ to provide operational intelligence. Electrical Arc Operating Mechanism Frame Protective Relays 4 Medium voltage power circuit breakers should never be stacked two units high in a switchgear structure. True False 5 A circuit breaker that is bolted to the switchgear is a __________ . Fixed circuit breaker Drawout circuit breaker Switchgear Short circuit current rating 6 Eaton is the only North American manufacturer of both current limiting and expulsion medium voltage power fuses. True False 7 Which of the following characteristics apply to only an expulsion fuse?  Drag the correct answer into the box. Vented Static Limits fault current magnitude and duration Generally higher interrupting ratings 8 The medium voltage power circuit breaker is found in _____ ? Switchgear Assemblies Motor Control Centers Integrated Power Assemblies Panelboards 9 Another ____ must always be used in series with backup type fuses. Interrupting device Switch Protective relay Assembly 10 Ratings and standards for medium voltage circuit breakers are defined by the governing standards where the circuit breaker is applied. True False

Created and managed with SmartLite WebQuiz XP