101 Basic Series - Module 09 - CEU Education 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 An ________ is an electrical fault characterized by low and erratic current that might ignite combustible material. Overcurrent fault Ground fault Erratic fault Arc fault 2 Hydraulic Magnetic Supplementary Protectors are a good choice for rooftop and railcar applications. True False 3 In a miniature circuit breaker, the voltage rating can be lower than the circuit voltage, but never higher. True False 4 The amount of current that a miniature circuit breaker can continuously carry is called its _____. Ampere rating Ampere interrupting capacity Voltage rating Let-through rating 5 Miniature circuit breakers are used to switch and protect the lowest common distribution voltage in an electrical system. True False 6 A Ground Fault Circuit Interrupter: Detects ground currents Trips to protect both people and equipment Has a solid state trip unit All of the above None of the above 7 The maximum amount of volts that a miniature circuit breaker can handle is called its ________. Ampere rating Ampere interrupting capacity Voltage rating Let-through rating 8 Miniature circuit breakers fall into two categories. Residential and utility Utility and industrial High voltage and residential Residential and industrial 9 The ______ is the brain of the miniature circuit breaker. Frame Operating mechanism Bimetal Arc extinguisher 10 Supplementary protectors are available in current ratings from 0.1- 63 amps. True False 11 Supplementary protectors provide overcurrent protection and can serve as the only source of protection per UL. True False 12 The internal construction of a Current Limiting Supplementary Protector includes: visual contact position indicator window, three-position handle (on, off, tripped), Snap-on mounting clip, and interphase insulation barriers. True False 13 A _____________ has a solenoid device and trips the breaker at a range 35 - 70 of the rated coil voltage. Shunt trip Ground fault circuit interrupter Undervoltage release None of the above 14 The component of the circuit breaker whose function is to provide the means of opening and closing the circuit is the ________. Frame Operating mechanism Trip unit Arc extinguisher 15 Supplementary protectors are usually used to protect a particular device rather than a branch circuit. True False 16 Single-pole residential circuit breakers are available at 120V and 240V. True False 17 What is the main mounting method for residential circuit breakers: Plug-in Bolt-on Cable-in/Cable-out All of the above None of the above 18 On a plug-in breaker, the line-side terminal is a _________ that clips onto a bus stab in a loadcenter or panelboard. Extending tang Clamp Terminal lug 19 Since gravity has an effect on the oil, the mounting position is critical with ________ Supplementary Protectors. Electromagnetic Electro limiting Hydraulic mangetic Current limiting 20 A __________ provides remote-controlled tripping of a miniature circuit breaker in case of an emergency. Shunt trip Ground fault circuit interrupter Undervoltage release None of the above

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