ABYC Electrical questions with verified answers
________AWG conductors may be used if included with other conductors in a
sheath and do not extend more than 30 inches outside the sheath Ans✓✓✓-18
2 or More batteries connected in series provides_________, or in parallel to
provide_________ Ans✓✓✓-higher voltage increased capacity
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 Ans✓✓✓-800 100
A device used to confirm the integrity of the winding insulation inside generator
or motor is called a Ans✓✓✓-megohmmeter
A notable exception to the 18-inch rule is that for battery cabling, at the battery
end, Standard E-11 allows for up to ____inches of unsupported cable. Ans✓✓✓-
36
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 Ans✓✓✓-
10 feet
AC power sources shall be ______________ before paralleling Ans✓✓✓-
synchronized
All AC cables from the shore power inlet to the main shore power breakers shall
be in conduit or supported by means of____________ Ans✓✓✓-Metal straps or
clamps
, Alternators have a "redline" of approximately ______rpm Ans✓✓✓-10,000
An acceptable reading when using a megommeter to test winding insulation is
Ans✓✓✓-1 megohm or more
As generator load increases, the rotor field winding voltage also _________.
Output is proportional to input Ans✓✓✓-increases
Backfeed protection shall operate within ______miliseconds of the disconnection
of the input AC power source Ans✓✓✓-100
Based on Standard A-27 and E-11 non-self limiting generators will need
overcorrect protection at either _______ inches or _______ inches from there
output terminals. Ans✓✓✓-7 40
Batteries gas of what Ans✓✓✓-hydrogen
Boats with more than one shore power inlet should never connect ________
together from multiple inlets. Ans✓✓✓-neutrals
Brushless generators use what Ans✓✓✓-auxiliary set of windings called exciter
windings
Class T fuses are considered to be the "_______" type to handle amperage surges
attributed to motor load start up current draws Ans✓✓✓-slow blow
________AWG conductors may be used if included with other conductors in a
sheath and do not extend more than 30 inches outside the sheath Ans✓✓✓-18
2 or More batteries connected in series provides_________, or in parallel to
provide_________ Ans✓✓✓-higher voltage increased capacity
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 Ans✓✓✓-800 100
A device used to confirm the integrity of the winding insulation inside generator
or motor is called a Ans✓✓✓-megohmmeter
A notable exception to the 18-inch rule is that for battery cabling, at the battery
end, Standard E-11 allows for up to ____inches of unsupported cable. Ans✓✓✓-
36
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 Ans✓✓✓-
10 feet
AC power sources shall be ______________ before paralleling Ans✓✓✓-
synchronized
All AC cables from the shore power inlet to the main shore power breakers shall
be in conduit or supported by means of____________ Ans✓✓✓-Metal straps or
clamps
, Alternators have a "redline" of approximately ______rpm Ans✓✓✓-10,000
An acceptable reading when using a megommeter to test winding insulation is
Ans✓✓✓-1 megohm or more
As generator load increases, the rotor field winding voltage also _________.
Output is proportional to input Ans✓✓✓-increases
Backfeed protection shall operate within ______miliseconds of the disconnection
of the input AC power source Ans✓✓✓-100
Based on Standard A-27 and E-11 non-self limiting generators will need
overcorrect protection at either _______ inches or _______ inches from there
output terminals. Ans✓✓✓-7 40
Batteries gas of what Ans✓✓✓-hydrogen
Boats with more than one shore power inlet should never connect ________
together from multiple inlets. Ans✓✓✓-neutrals
Brushless generators use what Ans✓✓✓-auxiliary set of windings called exciter
windings
Class T fuses are considered to be the "_______" type to handle amperage surges
attributed to motor load start up current draws Ans✓✓✓-slow blow
