ABYC Electrical Exam Study Guide Review Questions with Complete Solutions!

Which tool is most approprite to clean battery connections? A. B. C. D. - ANSWER- The minimum amp circuit breaker that should be used to protect 120V water heater circuit with a 1600-watt element would be rated at _________ amps. A. 15 B. 10 C. 20 D. 30 - ANSWER-A. 15 When testing for excessive EMF emissions near a conductor or appliance, the tool of choice is a(an): A. Ohmmeter B. DVOM C. Gauss meter D. infrared sensor - ANSWER-C. Gauss meter The primary problem with using a series circuit to supply multiple loads is that: A. voltage drop will be excessive B. the capacitance will be excessive C. amperage draw will be multiplied D. the overcurrent protection device may not work - ANSWER-A. voltage drop across each load will be excessive The most common electrical circuit problem in a marine application is: A. short circuits B. too much continuity C. unwanted open D. intercircuit short - ANSWER-C. unwanted open The primary by-product of excessive electrical resistance is: A. increased amperage B. increased voltage C. reduced ambient temperature D. heat - ANSWER-D. heat