NEW
Font size
WorksheetsEES 102 FINAL
Total questions: 44
Worksheet time: 22mins
Any conductor used in a RV needs to be sized according to?
The location and length the wire will be run
The lower voltage it can handle
The distribution panel size and capacity
The load and the overcurrent protection provided
When 2 points of unequal potential or voltage are connected_______
Current ceases to flow
Current is interrupted
Current flows
Electrons move at various times
A single photovoltaic cell has the capacity to produce______
.5 volts
1.5 volts
12 volts
5 volts
Neutrons are_______ and electrons are______
Negative; negative
Positive; negative
Neutral; positive
Neutral; negative
A diode is a semiconductor that passes current______
In any direction
In one direction
Only on AC circuits
Both directions
Protons are ________.
Neutral
Proactive
Negative
Positive
"PIE" triangle represents ____________.
Pascal's law
Ohm's law
Newton's law
Watt's law
The resistance of a 100w, 120v lamp is approximately ________ Ohm’s.
144
120
1200
12
Current carrying conductors used on the 120 VAC are required to be of the ________ copper.
stranded type
When measured with an ohmmeter, an un-failed overcurrent protection device will have ______.
12VDC
120VAC
0 resistance
High resistance
An ohm is a measurement of ____________.
voltage
amperage
wattage
Components, devices, and equipment that utilize low voltage two wire current are often ____.
Dry cell loads
120 VAC loads
Wet cell loads
12 VDC loads
Which statement is true?
Electrons in the outer orbits are attracted less powerfully to the nucleus.
Electrons in the outer orbits are attracted more powerfully to the nucleus.
Protons in the outer orbits are attracted less powerfully to the nucleus.
Protons in the outer orbits are attracted more powerfully to the nucleus.
Joining batteries in series allows the tech to ________.
Keep the same amperage and add voltage
Keep the same voltage and add amperage.
Convert 400 millivolts to volts.
.04
.40
4.0
.004
In the final calculations of Ohm's law, current is always expressed in terms of ________.
ohms
volts
watts
Which of these is associated with system grounding?
The power supply cord is connected to power pedestal
Non-current carrying conductors are disconnected from ground
Galvanic isolation is required to prevent electrical shock
Non-current carrying metal parts are connected to ground
Intentional grounding of all metal non-current carrying parts of the electrical system is _____.
Circuit grounding
Ground fault circuit protection
Neutral isolation
Equipment grounding
GFCI (Ground Fault Circuit Interrupter) protection can be provided through specific GFCI receptacles or GFCI _____.
Diode
Circuit breakers
Conductors
Capacitors
Which of the following is typically NOT a RV component that is controlled by a logic control system?
Entertainment system
Slide outs
Lights
Leveling system
White wires should be connected at the distribution panel to _____.
neutral
ground
hot
An electrical circuit is any combination of a ______ and ______ connected to permit electrons to travel around in a continuous stream.
Conductor; electricity source
Series; parallel circuit
Proton; neutron
Resistor; transformer
Batteries connected ______ provide a higher current capacity.
In series
To transformers
Reverse polarity
In parallel
Which of the following is NOT a type of energy management system (EMS)?
On demand
Manual
Automatically
Programmable
Electromotive force is equal to ______
Powerage
Wattage
Voltage
Potential charge
Wire size is expressed in terms of ________.
Watts
Length
Voltage
Gauge
In DC currents, the direction of current flow __________.
is constant
is bi-directional
reverses periodically
backwards
Inverters are rated in ________.
Kilowatts
Milliwatts
Watts
Hours
Why do RV's use converters?
Replace generators
Convert AC to DC
Convert DC to AC
Increase battery life
What is the function of an energy management system?
optimize 12 VDC distribution
optimize inverter efficiency
optimize generator efficiency
optimize 120 VAC distribution
Which is NOT required to wirelessly connect to logic control system?
SSID
logic control app
Password
internet access
In order for app control of logic components, the RV system must be connected via
12vdc power
Wireless technology
USB cable
Daisy chained cable
If a 15-amp breaker continues to blow on a confirmed 9-amp load, you should replace the ________.
wire
component
If an AC circuit draws 15 amps at 120VAC what is the wattage?
1800W
18 W
180 W
18000 W
When raising voltage of a 120VAC resistive load, its amperage draw will ____.
Decrease
Increase
Remain the same
Increase 1 amp every 10 v
A unit with a 50-amp power supply cord, the total AC amp capacity available to the unit would be ____.
Depends on length of shore cord
Depends on panel circuits
50 amps
100 amps
When a generator is running and supplying power but there is no power to the distribution panel, the most probable cause is ____.
Weak converter
Faulty transfer switch
Speed of the generator motor
Faulty distribution panel
Measured voltage between leg 1 and neutral at the distribution panel of a 50amp panel when plugged into 50amp shoreline power is?
12 VDC
120 VAC
110 VAC
10 VDC
A long wire offers____ resistance than a short wire.
Less
Same
More
Half
To diagnose generator output measure ______ voltage on generator input side of the transfer switch.
Input
Output
Converter
Inverter
A factor controlling resistance is ________.
DC
AC
Wind
Temperature
Current that reverses direction in a regular pattern is called ____.
Magnetic current
Alternating current
Direct current
Circuit current
On the ABYC wire color code RED is ________.
DC-
Ignition feed
DC+
Negative main
Any combination of a conductor and a source of electricity connected, together to permit ________ to travel around in a continuous stream is an electrical circuit.
Protons
Neutrons
Static
Electrons
