ABYC MARINE ELECTRICAL
CERTIFICATION
When mounting an alternator, proper consideration should be made for -
ANSWERS-•Wire Guage
•Alternator RPM
•Alternator voltage sensing & Cable connection
•Proper belt tension/pulley alignment
On a battery charger/inverter output the DC case ground should be no more
than ______ Guage size less than DC current carrying conductor - ANSWERS-1
Class T fuses are considered what? - ANSWERS-Slow Blow
When testing a battery charger a rise of _______ under load, from your battery
baseline indicates charger is operable. - ANSWERS-0.5 V
When selecting a location to install a battery chargers/inverter consideration
should be made for what? - ANSWERS-■Bilge levels, water, splash
■Adequate ventilation
■Ignition Protection (where required)
■Never install over batteries
, Metal cased chargers/inverters must have a ________ ground at the case. -
ANSWERS-AC and DC
Typical charging range of a battery is? - ANSWERS-12.6 to 14.1
Battery charging systems should sense __________. - ANSWERS-at battery.
Solar panel systems need ______ to prevent back feeding. - ANSWERS-blocking
diodes
Due variable outputs of up to 20V, solar panels require what? - ANSWERS-
Voltage regulator
Battery banks should be discharged at no more than ____% - ANSWERS-50%
The efficiency loss through inverters is typically between ____ & ______ -
ANSWERS-5% and 15%
Appropriate GFCI for inverters is determined by what? - ANSWERS-The
manufacturer
The ratio for converting AC to DC is? - ANSWERS-11 to 1 (11:1)
Inverters should be chosen carefully with primary concern for what? -
ANSWERS-Output capacity
CERTIFICATION
When mounting an alternator, proper consideration should be made for -
ANSWERS-•Wire Guage
•Alternator RPM
•Alternator voltage sensing & Cable connection
•Proper belt tension/pulley alignment
On a battery charger/inverter output the DC case ground should be no more
than ______ Guage size less than DC current carrying conductor - ANSWERS-1
Class T fuses are considered what? - ANSWERS-Slow Blow
When testing a battery charger a rise of _______ under load, from your battery
baseline indicates charger is operable. - ANSWERS-0.5 V
When selecting a location to install a battery chargers/inverter consideration
should be made for what? - ANSWERS-■Bilge levels, water, splash
■Adequate ventilation
■Ignition Protection (where required)
■Never install over batteries
, Metal cased chargers/inverters must have a ________ ground at the case. -
ANSWERS-AC and DC
Typical charging range of a battery is? - ANSWERS-12.6 to 14.1
Battery charging systems should sense __________. - ANSWERS-at battery.
Solar panel systems need ______ to prevent back feeding. - ANSWERS-blocking
diodes
Due variable outputs of up to 20V, solar panels require what? - ANSWERS-
Voltage regulator
Battery banks should be discharged at no more than ____% - ANSWERS-50%
The efficiency loss through inverters is typically between ____ & ______ -
ANSWERS-5% and 15%
Appropriate GFCI for inverters is determined by what? - ANSWERS-The
manufacturer
The ratio for converting AC to DC is? - ANSWERS-11 to 1 (11:1)
Inverters should be chosen carefully with primary concern for what? -
ANSWERS-Output capacity
