Exam (elaborations)
ABYC MARINE ELECTRICAL CERTIFICATION EXAM
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ABYC MARINE ELECTRICAL CERTIFICATION EXAM
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Name: Score:63 Multiple choice questions
Term
Batteries must be securely installed and allow no more than ______ (inches)of movement in any
direction
AIC
1"
50%
24V1 of 63
Term
Appropriate GFCI for inverters is determined by what?
Blocking diodes
The doctor
Certified emissions inspector
The manufacturer2 of 63
Term
Bulging battery sides and a rotten egg smell are signs of what?
Voltage regulator
Over charging
Over heating
Vented overboard3 of 63 Term
Inverters should be chosen carefully with primary concern for what?
Output capacity
Battery capacity
Voltage regulator
Amperage4 of 63
Term
Reverse polarity indicator has a _____ ohm resistor.
25k resistor at 240v/60hz
25k resistor at 120v/60hz
25k ohms
2200, 5005 of 63
Term
The abyc provides a chart for determining the AIC for overcurrent protection on battery banks
less than ______ CCA or _______Ah.
2200, 500
2200, 490
2199, 500
1.06 of 63 Term
For sheathed wires connected directly to a battery terminal the rule says that overcurrent
device can be placed up to ______ inches down the length of the wire.
72
8
1"
0.507 of 63
Term
Why do we bond AC and DC at engines negative terminal?
14.1 volts
blocking diodes
keep everything at 1 potential
keep everything at 0 potential8 of 63
Term
Two twelve volt batteries in parallel will create ________ volts
12.6 (amperage doubles)
rectifier (bridge rectifier)
true rms (root mean square)
11 to 1 (11:1)9 of 63
Term
Rapid anoid depletion an indication of _______
neutral to ground connection
battery equalizer
the manufacturer
blocking diodes10 of 63 Term
Best practice to prevent corrosion on battery terminals is what?
The manufacturer
Voltage regulator
Spray a dry film corrosion inhibitor.
Blocking diodes11 of 63
Term
Sheathed conductor attached to power source other than battery allow for OCP to be placed
up _____ inches away from connection point.
72
1.0
10
4012 of 63
Term
True or False? Batteries may be installed directly above fuel tanks.
False
True
False, it blocks DC, AC will flow through
5% and 15%13 of 63
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