ABYC Electrical Exam with verified detailed solutions || || || || || ||
2 or More batteries connected in series provides_________, or in parallel to
|| || || || || || || || || || || ||
provide_________ - ✔✔higher voltage increased capacity || || || || ||
Batteries gas of what - ✔✔hydrogen || || || || ||
If an AC system is installed the main AC system grounding bus shall be connected to
|| || || || || || || || || || || || || || || ||
what? - ✔✔the engine negative terminal or the DC main negative bus
|| || || || || || || || || || ||
Difference between an isolation transformer and polarization transformer -
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✔✔isolation transformer isolates all current crying AC system conductors and the
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AC drowning conductor, Polarization transformers do not isolate the AC grounding
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conductor.
A battery switch shall be installed in the positive conductors from each battery or
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battery bank with a CCA rating greater than _____amperes or _____Ah if CCA is
|| || || || || || || || || || || || || ||
unavailable - ✔✔800 100 || || ||
with 120Volt systems, the _______ and ________ get tied together at an AC
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power source, but only at a source of AC power. - ✔✔green white
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Inverters are only tied together when...... - ✔✔the inverter is operating in AC
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production mode ||
A standard based issue states that in shore power systems overcorrect protection be
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located no more than ______ from the point of inlet into the boat - ✔✔10 feet
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All AC cables from the shore power inlet to the main shore power breakers shall be
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in conduit or supported by means of____________ - ✔✔Metal straps or clamps
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, Boats with more than one shore power inlet should never connect ________
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together from multiple inlets. - ✔✔neutrals
|| || || || ||
What is the only device permitted to be installed in series with the AC grounding
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conductor - ✔✔Galvanic isolator || || ||
Durring an installation of an galvanic isolator conductors shall be supported and/or
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clamped to relive strain within ______inches of isolator case - ✔✔6
|| || || || || || || || || ||
The galvanic isolator shall be provided with wiring terminals or wire leads for
|| || || || || || || || || || || || ||
connection, having an ampacity that is __________ percent of its nominal rating. -
|| || || || || || || || || || || ||
✔✔135
||
Isolation transformers offer engineers the ability to do what? - ✔✔step up or step
|| || || || || || || || || || || || || ||
down voltage from one side of the transformer to the other
|| || || || || || || || || ||
What does a polarization transformer automatically do? - ✔✔automatically deals
|| || || || || || || || || ||
with dock-side polarity issues
|| || ||
Reverse polarity indicating devices shall respond to the reversal of the
|| || || || || || || || || || ||
____________ and ________ conductors. - ✔✔Ungrounded black grounded || || || || || || || ||
white
The total impedance of polarity indicating and production devices connected between
|| || || || || || || || || ||
normal current carrying conductors and the grounding conductor shall not be less
|| || || || || || || || || || || || ||
than __________ - ✔✔25,000 ohms
|| || || ||
One tool used to confirm the integrity of electrical supply at the dock is
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________________ - ✔✔Ideal SureTest || || ||
2 or More batteries connected in series provides_________, or in parallel to
|| || || || || || || || || || || ||
provide_________ - ✔✔higher voltage increased capacity || || || || ||
Batteries gas of what - ✔✔hydrogen || || || || ||
If an AC system is installed the main AC system grounding bus shall be connected to
|| || || || || || || || || || || || || || || ||
what? - ✔✔the engine negative terminal or the DC main negative bus
|| || || || || || || || || || ||
Difference between an isolation transformer and polarization transformer -
|| || || || || || || || ||
✔✔isolation transformer isolates all current crying AC system conductors and the
|| || || || || || || || || || ||
AC drowning conductor, Polarization transformers do not isolate the AC grounding
|| || || || || || || || || || ||
conductor.
A battery switch shall be installed in the positive conductors from each battery or
|| || || || || || || || || || || || || ||
battery bank with a CCA rating greater than _____amperes or _____Ah if CCA is
|| || || || || || || || || || || || || ||
unavailable - ✔✔800 100 || || ||
with 120Volt systems, the _______ and ________ get tied together at an AC
|| || || || || || || || || || || || ||
power source, but only at a source of AC power. - ✔✔green white
|| || || || || || || || || || || ||
Inverters are only tied together when...... - ✔✔the inverter is operating in AC
|| || || || || || || || || || || || ||
production mode ||
A standard based issue states that in shore power systems overcorrect protection be
|| || || || || || || || || || || || ||
located no more than ______ from the point of inlet into the boat - ✔✔10 feet
|| || || || || || || || || || || || || || ||
All AC cables from the shore power inlet to the main shore power breakers shall be
|| || || || || || || || || || || || || || || ||
in conduit or supported by means of____________ - ✔✔Metal straps or clamps
|| || || || || || || || || || ||
, Boats with more than one shore power inlet should never connect ________
|| || || || || || || || || || || ||
together from multiple inlets. - ✔✔neutrals
|| || || || ||
What is the only device permitted to be installed in series with the AC grounding
|| || || || || || || || || || || || || || ||
conductor - ✔✔Galvanic isolator || || ||
Durring an installation of an galvanic isolator conductors shall be supported and/or
|| || || || || || || || || || || ||
clamped to relive strain within ______inches of isolator case - ✔✔6
|| || || || || || || || || ||
The galvanic isolator shall be provided with wiring terminals or wire leads for
|| || || || || || || || || || || || ||
connection, having an ampacity that is __________ percent of its nominal rating. -
|| || || || || || || || || || || ||
✔✔135
||
Isolation transformers offer engineers the ability to do what? - ✔✔step up or step
|| || || || || || || || || || || || || ||
down voltage from one side of the transformer to the other
|| || || || || || || || || ||
What does a polarization transformer automatically do? - ✔✔automatically deals
|| || || || || || || || || ||
with dock-side polarity issues
|| || ||
Reverse polarity indicating devices shall respond to the reversal of the
|| || || || || || || || || || ||
____________ and ________ conductors. - ✔✔Ungrounded black grounded || || || || || || || ||
white
The total impedance of polarity indicating and production devices connected between
|| || || || || || || || || ||
normal current carrying conductors and the grounding conductor shall not be less
|| || || || || || || || || || || || ||
than __________ - ✔✔25,000 ohms
|| || || ||
One tool used to confirm the integrity of electrical supply at the dock is
|| || || || || || || || || || || || || ||
________________ - ✔✔Ideal SureTest || || ||
