ABYC Marine Electrical Certification Exam
Review Complete questions and correct
verified answers (detailed answers) already
graded A+
a. 89 amps - {✔✔RESOLUTION RESULT VERIFIED ANSWERS✔✔}-A
2000-watt inverter is operating at 50% capacity with a 90% efficiency
rating. With a battery voltage of
,12.6 volts how many amps is the inverter drawing from the battery
bank?
a. 89 amps
b. 99 amps
c. 109 amps
d. 119 amps
b. 10.5 Volts - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-Most marine inverters will shut down automatically
when battery voltage falls below what voltage? a. 9.7 Volts
b. 10.5 Volts
c. 11.7 Volts
d. 12 Volts
d. all of the above - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-lf a separate, independent AC powered battery
charger is fitted along with an inverter/charger, the independent AC
powered charger must be:
a. fitted with output protection fuses to protect the DC output
b. not be powered when the inverter is producing AC
c. fitted with an AC case grounding wire
d. all of the above
,d. when in invert mode - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-To comply with ABYC requirements, a Neutral to
Ground connection must be present at the inverter during which of
the following conditions: a. when in charge rnode
b. when in standby mode
c. when in transfer mode
d. when in invert mode
b. break before make transfer switch - {✔✔RESOLUTION RESULT
VERIFIED ANSWERS✔✔}-In order to eliminate the neutral to ground
connection when shore power is being transferred through the inverter
a ________ is utilized. a. make before break transfer switch
b. break before make transfer switch
c. manual disconnect switch
d. battery selector switch
c. A-31 - {✔✔RESOLUTION RESULT VERIFIED ANSWERS✔✔}-
Which ABYC standard refers to the
fuse in the DC positive conductor for inverter/battery charger output
protection? a. A-25
b. A-27
c. A-31
d. A-34
, d. AC output - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-To check an inverters _________ a
technician may need a true RMS meter: a. DC input
b. DC output
c. AC input
d. AC output
Every 18 inches. - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-How often (in inches) shall wire bundles be
supported?
Insulated Metallic Hanger Clamps - {✔✔RESOLUTION RESULT
VERIFIED ANSWERS✔✔}-What type of clamps are to be used for
supporting wire bundles when routed over engines and machinery?
40 lbs (E-11 Table XV) - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-What tensile force must a 10 Gauge crimp connector
withstand for one minute?
36 inches - {✔✔RESOLUTION RESULT VERIFIED ANSWERS✔✔}-
What is the max allowed unsupported cable length for battery cables?
Review Complete questions and correct
verified answers (detailed answers) already
graded A+
a. 89 amps - {✔✔RESOLUTION RESULT VERIFIED ANSWERS✔✔}-A
2000-watt inverter is operating at 50% capacity with a 90% efficiency
rating. With a battery voltage of
,12.6 volts how many amps is the inverter drawing from the battery
bank?
a. 89 amps
b. 99 amps
c. 109 amps
d. 119 amps
b. 10.5 Volts - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-Most marine inverters will shut down automatically
when battery voltage falls below what voltage? a. 9.7 Volts
b. 10.5 Volts
c. 11.7 Volts
d. 12 Volts
d. all of the above - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-lf a separate, independent AC powered battery
charger is fitted along with an inverter/charger, the independent AC
powered charger must be:
a. fitted with output protection fuses to protect the DC output
b. not be powered when the inverter is producing AC
c. fitted with an AC case grounding wire
d. all of the above
,d. when in invert mode - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-To comply with ABYC requirements, a Neutral to
Ground connection must be present at the inverter during which of
the following conditions: a. when in charge rnode
b. when in standby mode
c. when in transfer mode
d. when in invert mode
b. break before make transfer switch - {✔✔RESOLUTION RESULT
VERIFIED ANSWERS✔✔}-In order to eliminate the neutral to ground
connection when shore power is being transferred through the inverter
a ________ is utilized. a. make before break transfer switch
b. break before make transfer switch
c. manual disconnect switch
d. battery selector switch
c. A-31 - {✔✔RESOLUTION RESULT VERIFIED ANSWERS✔✔}-
Which ABYC standard refers to the
fuse in the DC positive conductor for inverter/battery charger output
protection? a. A-25
b. A-27
c. A-31
d. A-34
, d. AC output - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-To check an inverters _________ a
technician may need a true RMS meter: a. DC input
b. DC output
c. AC input
d. AC output
Every 18 inches. - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-How often (in inches) shall wire bundles be
supported?
Insulated Metallic Hanger Clamps - {✔✔RESOLUTION RESULT
VERIFIED ANSWERS✔✔}-What type of clamps are to be used for
supporting wire bundles when routed over engines and machinery?
40 lbs (E-11 Table XV) - {✔✔RESOLUTION RESULT VERIFIED
ANSWERS✔✔}-What tensile force must a 10 Gauge crimp connector
withstand for one minute?
36 inches - {✔✔RESOLUTION RESULT VERIFIED ANSWERS✔✔}-
What is the max allowed unsupported cable length for battery cables?
