ABYC Electrical - Questions With Expert Solutions
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
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
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
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
One horsepower is equal to __________ watts. Correct Answer -
A. 746
The primary by-product of excessive electrical resistance is
__________. Correct Answer - B. Heat
Based on what this section has told you, the tool of choice today for
tracing shortened and open circuits is the: Correct Answer - D.
TDR= Time-Domain Reflectometer
What material is recommended for clamping conductors over
engines and moving machinery according to ABYC? Correct
Answer - C. Metal
According to ABYC, acceptable minimum clearance for routing wire
near a dry exhaust section is: Correct Answer - B. 9 in. (225
mm)
The maximum number of terminals allowed to be attached to any
one terminal stud based on ABYC Standards is: Correct Answer -
D. 4
How much current should flow through the DC grounding conductor
in a 25-amp DC motor circuit? Correct Answer - B. 0 amps
Conductors of #10 AWG and larger shall be permitted to be
connected in parallel _______ Correct Answer - C. Where the
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
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
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
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
One horsepower is equal to __________ watts. Correct Answer -
A. 746
The primary by-product of excessive electrical resistance is
__________. Correct Answer - B. Heat
Based on what this section has told you, the tool of choice today for
tracing shortened and open circuits is the: Correct Answer - D.
TDR= Time-Domain Reflectometer
What material is recommended for clamping conductors over
engines and moving machinery according to ABYC? Correct
Answer - C. Metal
According to ABYC, acceptable minimum clearance for routing wire
near a dry exhaust section is: Correct Answer - B. 9 in. (225
mm)
The maximum number of terminals allowed to be attached to any
one terminal stud based on ABYC Standards is: Correct Answer -
D. 4
How much current should flow through the DC grounding conductor
in a 25-amp DC motor circuit? Correct Answer - B. 0 amps
Conductors of #10 AWG and larger shall be permitted to be
connected in parallel _______ Correct Answer - C. Where the
