Questions and CORRECT Answers
higher voltage increased capacity - CORRECT ANSWER - 2 or More batteries connected
in series provides_________, or in parallel to provide_________
hydrogen - CORRECT ANSWER - Batteries gas of what
the engine negative terminal or the DC main negative bus - CORRECT ANSWER - If an
AC system is installed the main AC system grounding bus shall be connected to what?
isolation transformer isolates all current crying AC system conductors and the AC drowning
conductor, Polarization transformers do not isolate the AC grounding conductor. - CORRECT
ANSWER - Difference between an isolation transformer and polarization transformer
800 100 - CORRECT ANSWER - 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
green white - CORRECT ANSWER - with 120Volt systems, the _______ and ________
get tied together at an AC power source, but only at a source of AC power.
the inverter is operating in AC production mode - CORRECT ANSWER - Inverters are
only tied together when......
10 feet - CORRECT ANSWER - 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
Metal straps or clamps - CORRECT ANSWER - All AC cables from the shore power inlet
to the main shore power breakers shall be in conduit or supported by means of____________
, neutrals - CORRECT ANSWER - Boats with more than one shore power inlet should
never connect ________ together from multiple inlets.
Galvanic isolator - CORRECT ANSWER - What is the only device permitted to be
installed in series with the AC grounding conductor
6 - CORRECT ANSWER - Durring an installation of an galvanic isolator conductors shall
be supported and/or clamped to relive strain within ______inches of isolator case
135 - CORRECT ANSWER - The galvanic isolator shall be provided with wiring
terminals or wire leads for connection, having an ampacity that is __________ percent of its
nominal rating.
step up or step down voltage from one side of the transformer to the other - CORRECT
ANSWER - Isolation transformers offer engineers the ability to do what?
automatically deals with dock-side polarity issues - CORRECT ANSWER - What does a
polarization transformer automatically do?
Ungrounded black grounded white - CORRECT ANSWER - Reverse polarity indicating
devices shall respond to the reversal of the ____________ and ________ conductors.
25,000 ohms - CORRECT ANSWER - The total impedance of polarity indicating and
production devices connected between normal current carrying conductors and the grounding
conductor shall not be less than __________
Ideal SureTest - CORRECT ANSWER - One tool used to confirm the integrity of
electrical supply at the dock is ________________
open neutral - CORRECT ANSWER - In Split 240/120V systems one cause for AC
equipment to fail depending on unbalanced legs is.....