2024 ABYC Marine Electrical Questions & Answers (Graded)

___ through circuits on a boat is perhaps the most common problem with electrical circuitry. A Overly high rates of current flow B Resistance to heat C Unrestricted pressure D Resistance to electrical current flow - ANSWER-D Resistance to electrical current flow When using Ohm's law, if any two of the three values are known, the third value can be calculated by ___. A multiplication or division B addition or subtraction C taking the square root of the sum of the two values D finding the inverse of the highest known value - ANSWER-A multiplication or division If the voltage in a circuit is 12 volts and the resistance is 3 ohms, Ohm's law can be used to find that the rate of flow is ___ amps. A 9 B 6 C 4 D 2 - ANSWER-C. 4 If resistance decreases and the voltage remains constant in a circuit, then the amperage will ___. A decrease B increase C remain constant D be canceled out - ANSWER-B increase The unit of measure for power is the ___. A watt B amp C volt D ohm - ANSWER-A watt A microwave oven with a wattage of 1.2 KW (1,200 watts) and a 120 VAC will draw ___ amps. A 100 B 60 C 20 D 10 - ANSWER-D 10 Cranking motor (engine starter) circuits are not required to have ___. - ANSWER-overcurrent protection In