Fundamentals of 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 Which component provides a means of opening and closing the circuit breaker? Frame Operating Mechanism Contacts Arc Extinguisher 2 Which type of circuit breaker is specially designed to prevent fires by detecting a non-working electrical arc and disconnecting the power before the arc starts a fire. Thermal Magnetic Magnetic Only Arc Fault Circuit Interrupter Ground Fault Circuit Protection 3 The image shown is a representation of which type of protection? Ground Fault Protection Thermal Overload Protection Thermal Magnetic Protection Magnetic/Short Circuit Protection 4 Molded case circuit breakers are only offered with fixed thermal magnetic trip units.  True False 5 Which type of circuit breaker utilizes protective relays instead of internal protective functions? Miniature Circuit Breaker Molded Case Circuit Breaker Low Voltage Power Circuit Breaker Medium Voltage Vacuum Circuit Breaker 6 Which of the following is achieved through the use of a bi-metal element heated by the load current?   Magnetic Protection Arc Fault Protection Thermal Protection Ground Fault Protection 7 Miniature and molded case circuit breakers utilize which type of operating mechanism? Two step stored energy Over toggle Motor operator Flux-transfer 8 Select one of the two types of trip units. Current Transformer Flux-transfer Electronic Magnetic 9 A miniature circuit breaker has a higher voltage and amperage capability than a low voltage power circuit breaker.  True False 10 Circuit breaker frames are usually constructed out of bolted and welded metal or molded insulating material. True False

Created and managed with SmartLite WebQuiz XP