ABYC ELECTRICAL EXAM SCRIPT VERIFIED
QUESTIONS AND SOLUTIONS COMPLETE
REVIEW MATERIAL
●● 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.
QUESTIONS AND SOLUTIONS COMPLETE
REVIEW MATERIAL
●● 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.
