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ABYC Electrical 2 Exam Questions and Answers
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ABYC Electrical 2 Exam Questions and Answers
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ABYC Electrical 2 Exam Questions and AnswersA Correct Ans-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 Correct Ans-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 Correct Ans-For Charging the battery, the alternator produces alternating current that
must be changed to direct current by the.
A. Solenoid
B. Starter
C. Rectifier
, ABYC Electrical 2 Exam Questions and Answers
D. Voltage regulator
C Correct Ans-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
D Correct Ans-ABYC standard ________ applies to inverters
A. E-2
B. A-27
C. A-28
D. A - 31
A Correct Ans-A true RMS voltmeter is required to accuralty check output voltage from
a(n):
A. non-sinusoidal output inverter
B. Isolation transformer
, ABYC Electrical 2 Exam Questions and Answers
C. Inverter DC input
D. Galvanic isolator
C Correct Ans-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 Correct Ans-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 Correct Ans-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
, ABYC Electrical 2 Exam Questions and Answers
C. Both techs
D. Neither tech
D Correct Ans-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 Correct Ans-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 Correct Ans-On a brushless generator a possible cause for low AC voltage output under
load could be:
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