ABYC Electrical, ABYC ELECTRICAL STUDY 1 Verified Exam
Questions and Answers Latest update 2026/2027
Question:
and
Answer:
Question:
The minimum amp circuit breaker that should be used to protect a 120V water heater circuit with a
1600-watt element would be rated at ___________ amps.
Answer:
A.
Question:
When testing for excessive EMF emission near a conductor or appliance, the tool of choice is a (n)
Answer:
C. Gauss meter
Question:
What is the symbol for a variable resistor?
Answer:
variable resistor
Question:
The primary problem with using a series circuit to supply multiple loads is that
Answer:
A. Voltage drop through the circuit will be excessive
Question:
Based on this section (Ch. 2), the most common electrical circuit problem in marine application is
Answer:
C. Unwanted open
,Question:
The primary by-product of excessive electrical resistance is
Answer:
D.
Heat
Question:
One horsepower equals ______________.
Answer:
B. 746 watts
Question:
Excessive electrical resistance can be caused by ____________.
Answer:
D. Undersized wire, loose connections, and corrosion
Question:
_________ through circuits on a boat is perhaps the most common problem with electrical circuitry.
Answer:
D. Resistance to electrical current flow
Question:
When using Ohm's Law, if any two of the three values are known, the thrid value can be calculated by
________.
Answer:
A., Multiplication or division
Question:
If the voltage in a circuit is 12 volts and the resistance is 3 Ohms, Ohm's Law can be used to find that
the rate of flow is _______ amps.
Answer:
C. 4
Question:
If resistance decreases and the voltage remains constant in a circuit, then the amperage will
_________.
Answer:
B. Increase
,Question:
The unit of measure for power is the __________.
Answer:
A. Watt
Question:
A microwave oven with a wattage of 1.2 KW (1,200 watts) and a 120 VAC will draw __________
amps.
Answer:
D. 10
Question:
Cranking motor (engine) circuits are not required to have ___________.
Answer:
B. Overcurrent protection
Question:
In a _______ circuit, there is only one path allowed for electrical flow.
Answer:
C. Series
Question:
In a series circuit, the amperage (current) is ______________.
Answer:
A. The same everywhere it is measured
Question:
In all circuits, voltage is lost as it travels through the circuit, which is commonly referred to as
___________.
Answer:
B. Voltage drop
Question:
The most common type of circuit fault is a(n) ______.
Answer:
C. Open
circuit
, Question:
The ______ is the most dangerous type of short circuit.
Answer:
D. Short
circuit to ground
Question:
Inter-circuit shorts are usually caused by __________.
Answer:
C. An
errant screw sticking through a look or wiring harness
Question:
One horsepower is equal to __________ watts.
Answer:
A. 746
Question:
The primary by-product of excessive electrical resistance is __________.
Answer:
B. Heat
Question:
Based on what this section has told you, the tool of choice today for tracing shortened and open
circuits is the
Answer:
D. TDR= Time-Domain Reflectometer
Question:
What material is recommended for clamping conductors over engines and moving machinery
according to ABYC?
Answer:
C. Metal
Question:
According to ABYC, acceptable minimum clearance for routing wire near a dry exhaust section is
Answer:
B. 9 in. (225 mm)
Questions and Answers Latest update 2026/2027
Question:
and
Answer:
Question:
The minimum amp circuit breaker that should be used to protect a 120V water heater circuit with a
1600-watt element would be rated at ___________ amps.
Answer:
A.
Question:
When testing for excessive EMF emission near a conductor or appliance, the tool of choice is a (n)
Answer:
C. Gauss meter
Question:
What is the symbol for a variable resistor?
Answer:
variable resistor
Question:
The primary problem with using a series circuit to supply multiple loads is that
Answer:
A. Voltage drop through the circuit will be excessive
Question:
Based on this section (Ch. 2), the most common electrical circuit problem in marine application is
Answer:
C. Unwanted open
,Question:
The primary by-product of excessive electrical resistance is
Answer:
D.
Heat
Question:
One horsepower equals ______________.
Answer:
B. 746 watts
Question:
Excessive electrical resistance can be caused by ____________.
Answer:
D. Undersized wire, loose connections, and corrosion
Question:
_________ through circuits on a boat is perhaps the most common problem with electrical circuitry.
Answer:
D. Resistance to electrical current flow
Question:
When using Ohm's Law, if any two of the three values are known, the thrid value can be calculated by
________.
Answer:
A., Multiplication or division
Question:
If the voltage in a circuit is 12 volts and the resistance is 3 Ohms, Ohm's Law can be used to find that
the rate of flow is _______ amps.
Answer:
C. 4
Question:
If resistance decreases and the voltage remains constant in a circuit, then the amperage will
_________.
Answer:
B. Increase
,Question:
The unit of measure for power is the __________.
Answer:
A. Watt
Question:
A microwave oven with a wattage of 1.2 KW (1,200 watts) and a 120 VAC will draw __________
amps.
Answer:
D. 10
Question:
Cranking motor (engine) circuits are not required to have ___________.
Answer:
B. Overcurrent protection
Question:
In a _______ circuit, there is only one path allowed for electrical flow.
Answer:
C. Series
Question:
In a series circuit, the amperage (current) is ______________.
Answer:
A. The same everywhere it is measured
Question:
In all circuits, voltage is lost as it travels through the circuit, which is commonly referred to as
___________.
Answer:
B. Voltage drop
Question:
The most common type of circuit fault is a(n) ______.
Answer:
C. Open
circuit
, Question:
The ______ is the most dangerous type of short circuit.
Answer:
D. Short
circuit to ground
Question:
Inter-circuit shorts are usually caused by __________.
Answer:
C. An
errant screw sticking through a look or wiring harness
Question:
One horsepower is equal to __________ watts.
Answer:
A. 746
Question:
The primary by-product of excessive electrical resistance is __________.
Answer:
B. Heat
Question:
Based on what this section has told you, the tool of choice today for tracing shortened and open
circuits is the
Answer:
D. TDR= Time-Domain Reflectometer
Question:
What material is recommended for clamping conductors over engines and moving machinery
according to ABYC?
Answer:
C. Metal
Question:
According to ABYC, acceptable minimum clearance for routing wire near a dry exhaust section is
Answer:
B. 9 in. (225 mm)
