WorksheetsAR 3181 PREX
Total questions: 30
Worksheet time: 15mins
The flow of electricity in an electrical circuit.
voltage
capacitance
current
reactance
The electromotive force (EMF) or potential difference that causes an electric current to flow.
voltage
conductance
current
capacitance
The unit of current.
watts
ampere
ohms
farad
The unit of capacitance.
watts
volts
amperes
farad
These are all expressions of the Ohm's Law except one:
I = V/R
V= I x R
R= V/I
I = R/V
For AC electricity, Ohm's Law is expressed as I= V/Z, where Z is:
capacitance
reactance
resistance
impedance
The combined effect of resistance and reactance, expressed in ohms.
capacitance
current
voltage
impedance
An electric motor produces mechanical power, measured in terms of :
horsepower
candle power
volts
electric power
In a series circuit, current is the same , but voltage differs; in a parallel circuit, the voltage is the same, but the current differs. Which then is used for a standard house wiring?
series circuit
parallel circuit
Which does not belong: wire, cable, bus, stranded
wire
cable
bus
stranded
The only characteristic that makes a THWN different from a XHHW conductor.
heat and moisture resistant
75 deg C
cross-linked synthetic polymer
A device that opens or closes a circuitry in an electric circuit.
breaker
fuse
switch
valve
Which does not belong: weathertight, watertight, explosion-proof, magnetic
weathertight
watertight
explosion-proof
magnetic
A device designed to open and close a circuit by non automatic means, and to open the circuit automatically on predetermined over-current.
switch
fuse
circuit breaker
valve
A standard metric unit of illumination.
footcandle
watts
lux
lumen
Used to direct a light source downward to “wash” over wall surfaces.
soffit lighting
cove lighting
valance lighting
cornice lighting
Directs light upward to the ceiling and down over the wall.
soffit lighting
cove lighting
valance lighting
cornice ligthing
Standard switch height for wheelchair access.
.80 meters
.90 meters
1.00 meter
1.20 meters
Select which do not belong:
stairs
halls
bedroom
room with two doors
Standard distance between outlets for hallways:
4.20 m
4.50 m
1.20 m
1.30 m
GFCI stands for:
grand fault circuit interrupter
ground fault circuit installation
ground fault circuit interrupter
grand fault circuit installation
Name the symbol
3 pole switch
3 gang switch
3-way switch
Name the symbol
convenience outlet
duplex convenience outlet
2-way convenience outlet
wall lamp
Name the symbol
ceiling light
pinlight
wall light
valance light
Name the symbol
junction box
pull box
panel box
main box
Name the symbol
floor mounted convenience outlet
duplex convenience outlet with ground
ground fault circuit interrupter
ground fault convenience outlet
name the symbol
weatherproof convenience outlet
waterproof convenience outlet
watertight convenience outlet
weathertight convenience outlet
name the symbol
ceiling mounted convenience outlet
exhaust fan
floor mounted convenience outlet
ground fault circuit interrupter
what is the appropriate switch as seen on the plan?
single switch
2-pole switch
2-gang switch
3-way switch
Name the symbol
circuit homerun
circuit line
circuit name
