Graded A+
1. A metallic shore power inlet becomes hot to the touch. Temperature
rating of
Which would not be a contributing factor? shore-cord insulation
2. An inter-circuit short can cause: " All of the above;
Un- related circuits to
operate
simultaneously;
Compo- nents to work
at reduced capacity;
An over-current
situation"
3. Which of the following is addressed by ABYC A-32? Power conditioni
and
conversion
4. LED navigation lights are required to meet: 72 Colregs
5. Which of the following are recommended for 3-phase Power
conditioning and
shore power? phase-rotation monitor- ing
6. Which of the following is an example of a power-qual- Nuisance
tripping of mag-
ity issue? inadverten
ly powere
7. What tool can be used instead of a power- by the
quality an- alyzer to measure phase batteries i
amplitude? a
is not part
8. All of the following are functions of a
of the
generator volt- age regulator EXCEPT:
installation
9. A true-DC wind generator might be
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,ABYC Advanced Pretest Questions and Answers Already
Graded A+
10. Which power sources can be seamlessly netic circuit breakers DVOM
transferred?
Control generator power
factor
Blocking diode
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,ABYC Advanced Pretest Questions and Answers Already
Graded A+
" All of the above; AC
gen- erators; Shore
power; In- verters"
11. Which of the following needs to be considered Proper ventilation of
when retrofitting an electric-propulsion bat- teries
engine?
Terminating resistors
12. In a NMEA 2000 digital switching system it is
neces- sary to use
13. A boat's hull potential is measured: Between a reference
cell and main engine
negative
14. Which statement is correct pertaining to a NMEA 2000 " Both a and b;
Resistors
system? are to be used only at both
ends of the system;
NMEA cables provide
power and data in a
single cable"
15. Slower than normal engine cranking could be an indi- Battery fully
charged
cation of all the following except:
16. Which tool could not-be used to diagnose Ammeter
excessive voltage drop?
17. An advantage of an insulated DC ground system is: Easier detection
ground
faults
18. Which equipment may not need to be changed when a bo
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Graded A+
built by an international builder using 50 Hz AC Water Heater
is imported to the US?
19.
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