QUESTIONS AND CORRECT ANSWERS/ GRADED A+/VERIFIED/
If resistance decreases and the voltage remains constant in a
circuit, then the amperage will _________.
B. Increase
The unit of measure for power is the __________.
A. Watt
A microwave oven with a wattage of 1.2 KW (1,200 watts) and a
120 VAC will draw __________ amps.
D. 10
Cranking motor (engine) circuits are not required to have
___________.
B. Overcurrent protection
In a _______ circuit, there is only one path allowed for electrical
flow.
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,C. Series
In a series circuit, the amperage (current) is ______________.
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 ___________.
B. Voltage drop
The most common type of circuit fault is a(n) ______.
C. Open circuit
The ______ is the most dangerous type of short circuit.
D. Short circuit to ground
Inter-circuit shorts are usually caused by __________.
C. An errant screw sticking through a look or wiring harness
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,One horsepower is equal to __________ watts.
A. 746
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.
A. 15
When testing for excessive EMF emission near a conductor or
appliance, the tool of choice is a (n):
C. Gauss meter
What is the symbol for a variable resistor?
variable resistor
The primary problem with using a series circuit to supply
multiple loads is that:
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:
C. Unwanted open
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, The primary by-product of excessive electrical resistance is:
D. Heat
One horsepower equals ______________.
B. 746 watts
Excessive electrical resistance can be caused by ____________.
D. Undersized wire, loose connections, and corrosion
_________ through circuits on a boat is perhaps the most
common problem with electrical circuitry.
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 ________.
A., Multiplication or division
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