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ABYC Electrical 2 Exam Questions With Correct Answers!!
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  • ABYC Electrical 2

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 ...

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  • March 14, 2024
  • 21
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • abyc electrical 2 exam questions with correct answ
  • abyc electrical 2 exam questions with stuvia
  • d answer abyc standard applies to inve

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ABYC Electrical 2 Exam Questions With Correct Answers!!
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 11, high frequency transformers typically run ______ than traditional transformers. A. Cooler B. Hotter C. Faster D. Slower
B -ANSWER - If an isolator is used in a battery charging system, regulator voltage sensing should be at the ________ to insure batteries are charged appropriately. A. Batter charger output B. Batteries C. Alternator output D. Isolator input
A -ANSWER - A reverse polarity indicator should be connected between A. Neutral and ground B. AC ground and DC neg C. Hot and ground D. Hot and neutral
C -ANSWER - According to the ABYC the minimum size of primary conductor in a lightning production system is A. 8 AWG B. 6 AWG

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