ABYC Electrical 2 Correct Questions & Answers(RATED A+)

D - ANSWER ABYC standard ________ applies to inverters A. E-2 B. A-27 C. A-28 D. A - 31 A - ANSWER A true RMS voltmeter is required to accuralty check output voltage from a(n): A. non-sinusoidal output inverter B. Isolation transformer C. Inverter DC input D. Galvanic isolator C - ANSWER An AC voltmeter is required at the panel if the boat is equipped with: A. A DC windlass B. An AC- powered water heater C. An inverter D. AC- powered reading lamps C - ANSWER All of the following could cause a conductor to overheat except. A. Undersized conductor B. Excessive Amperage C. Insulation temp rating too low D. Corroded connector A - ANSWER Tech A says that AC and DC are able to run together down the same conductor. Tech B says that this is technically impossible which tech is correct? A. Tech A B. Tech B C. Both techs D. Neither tech D - ANSWER To check for charger output to the battery de-enegize charger check batter open - circuit voltage re-energize the charger and check for a voltage ________V DC or more Conductance tester A. Rise of 14 B. Drop of 0.5 C. Drop pf 14 D. Rise of 0.5 C - ANSWER The tool of choice for testing AC generator winding insulation integrity is a: A. TDR B. Fox and hound C. Megohmmeter D. Clamp - type ammeter B - ANSWER On a brushless generator a possible cause for low AC voltage output under load could be: A. High engin RPM B. Faulty exciter winding diode rectifier C. Faulty output circuit breaker D. Excessively high DC voltage supply A - ANSWER All of the following could cause an overheated electrical connection except: A. Conductor with an excessively high insulation temperature rating B. Loose terminal connection C. Corroded connection D. Undersized conductor for the load demand B - ANSWER When trouble shooting AC appliances and equipment for safety considerations the tech should do all of the following except A. Use lock out and tag out procedures B. By-pass over current devices when possible C. De-enegrgize the circuit whenever possible D. Not wear jewelry C - ANSWER For Charging the battery, the alternator produces alternating current that must be changed to direct current by the. A. Solenoid B. Starter C. Rectifier D. Voltage regulator C - ANSWER On an inverter that does not provide a true sine wave output, low voltage troubleshoots must be accomplished using a(n) _________________ type DVOM A. Analog B. Average responding C. True RMS D. Oscillating A - ANSWER A tech is installing the cable run from the batteries to the main DC pannelboard on a boat as part of a refit. The boat has a 12-volt system, and the distance from panel to batteries is 15ft. The max current draw from panel is calculated at 90 amps. what gauge cable should you use? A. 0AWG B. 2AWG C. 4AWG D. 6AWG A - ANSWER Based on the material within section 1