ABYC Electrical Verified Exam Questions and Answers Latest update
2026/2027
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. 15
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
2026/2027
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. 15
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
