ABYC Electrical Exam Questions &
Answers (Grade A+)
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. -
correct answer ✅A. 15
When testing for excessive EMF emission near a conductor or
appliance, the tool of choice is a (n): -
correct answer ✅C. Gauss meter
What is the symbol for a variable resistor? -
correct answer ✅variable resistor
The primary problem with using a series circuit to supply multiple
loads is that: -
correct answer ✅A. Voltage drop through the circuit will be
excessive
,ABYC Electrical Exam Questions &
Answers (Grade A+)
Based on this section (Ch. 2), the most common electrical circuit
problem in marine application is: -
correct answer ✅C. Unwanted open
The primary by-product of excessive electrical resistance is: -
correct answer ✅D. Heat
One horsepower equals ______________. -
correct answer ✅B. 746 watts
Excessive electrical resistance can be caused by ____________. -
correct answer ✅D. Undersized wire, loose connections, and
corrosion
_________ through circuits on a boat is perhaps the most common
problem with electrical circuitry. -
correct answer ✅D. Resistance to electrical current flow
When using Ohm's Law, if any two of the three values are known,
the thrid value can be calculated by ________. -
correct answer ✅A., Multiplication or division
,ABYC Electrical Exam Questions &
Answers (Grade A+)
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. -
correct answer ✅C. 4
If resistance decreases and the voltage remains constant in a circuit,
then the amperage will _________. -
correct answer ✅B. Increase
The unit of measure for power is the __________. -
correct answer ✅A. Watt
A microwave oven with a wattage of 1.2 KW (1,200 watts) and a
120 VAC will draw __________ amps. -
correct answer ✅D. 10
Cranking motor (engine) circuits are not required to have
___________. -
correct answer ✅B. Overcurrent protection
, ABYC Electrical Exam Questions &
Answers (Grade A+)
In a _______ circuit, there is only one path allowed for electrical
flow. -
correct answer ✅C. Series
In a series circuit, the amperage (current) is ______________. -
correct answer ✅A. The same everywhere it is measured
In all circuits, voltage is lost as it travels through the circuit, which is
commonly referred to as ___________. -
correct answer ✅B. Voltage drop
The most common type of circuit fault is a(n) ______. -
correct answer ✅C. Open circuit
The ______ is the most dangerous type of short circuit. -
correct answer ✅D. Short circuit to ground
Inter-circuit shorts are usually caused by __________. -
correct answer ✅C. An errant screw sticking through a look or
wiring harness
Answers (Grade A+)
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. -
correct answer ✅A. 15
When testing for excessive EMF emission near a conductor or
appliance, the tool of choice is a (n): -
correct answer ✅C. Gauss meter
What is the symbol for a variable resistor? -
correct answer ✅variable resistor
The primary problem with using a series circuit to supply multiple
loads is that: -
correct answer ✅A. Voltage drop through the circuit will be
excessive
,ABYC Electrical Exam Questions &
Answers (Grade A+)
Based on this section (Ch. 2), the most common electrical circuit
problem in marine application is: -
correct answer ✅C. Unwanted open
The primary by-product of excessive electrical resistance is: -
correct answer ✅D. Heat
One horsepower equals ______________. -
correct answer ✅B. 746 watts
Excessive electrical resistance can be caused by ____________. -
correct answer ✅D. Undersized wire, loose connections, and
corrosion
_________ through circuits on a boat is perhaps the most common
problem with electrical circuitry. -
correct answer ✅D. Resistance to electrical current flow
When using Ohm's Law, if any two of the three values are known,
the thrid value can be calculated by ________. -
correct answer ✅A., Multiplication or division
,ABYC Electrical Exam Questions &
Answers (Grade A+)
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. -
correct answer ✅C. 4
If resistance decreases and the voltage remains constant in a circuit,
then the amperage will _________. -
correct answer ✅B. Increase
The unit of measure for power is the __________. -
correct answer ✅A. Watt
A microwave oven with a wattage of 1.2 KW (1,200 watts) and a
120 VAC will draw __________ amps. -
correct answer ✅D. 10
Cranking motor (engine) circuits are not required to have
___________. -
correct answer ✅B. Overcurrent protection
, ABYC Electrical Exam Questions &
Answers (Grade A+)
In a _______ circuit, there is only one path allowed for electrical
flow. -
correct answer ✅C. Series
In a series circuit, the amperage (current) is ______________. -
correct answer ✅A. The same everywhere it is measured
In all circuits, voltage is lost as it travels through the circuit, which is
commonly referred to as ___________. -
correct answer ✅B. Voltage drop
The most common type of circuit fault is a(n) ______. -
correct answer ✅C. Open circuit
The ______ is the most dangerous type of short circuit. -
correct answer ✅D. Short circuit to ground
Inter-circuit shorts are usually caused by __________. -
correct answer ✅C. An errant screw sticking through a look or
wiring harness
