Exam (elaborations)
2021 ABYC MARINE ELECTRICAL QUESTIONS AND ANSWERS
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2021 ABYC MARINE ELECTRICAL QUESTIONS AND ANSWERS
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Minimal support for wire bundles should occur at least every ___ inches, according to
Standard E-11.14.4.1.9.
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18 inches
,A time-domain reflectometer (TDR) can confirm continuity and ___.
A pinpoint the location of a short or open circuit
B decrease the electrical conductivity of a material
C display the amount of resistance present in a circuit
D repair any short circuits that may be present
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A pinpoint the location of a short or open circuit
___ through circuits on a boat is perhaps the most common problem with electrical
circuitry.
A Overly high rates of current flow
B Resistance to heat
C Unrestricted pressure
D Resistance to electrical current flow
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D Resistance to electrical current flow
Excessive Electrical resistance can be caused by_______
A. Oversized Conductors, loose terminals, and corrosion
B. Improper wire insulation and excessive wire strand count
C. fuses with too high of a rating and wattage that is too low
D. undersized wire, loose connections, and corrosion
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, D. undersized wire, loose connections, and corrosion
In a series circuit, the amperage (current) is ___.
A the same everywhere it is measured
B gradually decreased as the circuit runs farther from the power source
C lowest at (or very close to) the power source
D gradually increased as the circuit runs farther from the power source
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the same everywhere it is measured
Based on what Section 3 told you, the tool of choice for tracing shorted and open
circuits is the:
A. Megohmmeter
B. Amp Clamp
C. Potential Meter
D. TDR
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D. TDR
A Cable Run for a DC panel for a boat with a 12 Volt System where the run is 15 feet
and the Draw is 90 Amps, what is the minimum gauge wire?
A. 0 AWG
B. 2 AWG
C. 4 AWG
D. 6 AWG
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