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WorksheetsAg Technology Exam 2020 State
Total questions: 25
Worksheet time: 13mins
A 5-ampere motor running on 120 volts will consume _______ watts of electricity. Use the formula W = V x A.
5
25
120
600
Identify the following electrical symbol.
Floor Outlet
Duplex Receptacle Outlet
Single-Pole Switch
Battery
Choose the best device(s) to use of you want to stop the flow of electricity to a single light from two separate locations.
three-way switches
single pole switches
circuit breakers
four-way switches
A circuit that has continuity would be considered ______.
closed
open
ground-fault
arc-fault
What is the electromotive force required to operate the electric motor with the following name plate?
32.2
60
230
3450
Use the following formula to determine the approximate output in watts of the motor with the nameplate below. Note: 1 KW= 1,000 Watts
7500
3450
230
120
If Watts = Volts x Amperes, then how many amperes are produced on a 120 volt circuit by a 1200 watt appliance?
1 ampere
10 amperes
100 amperes
1 milliampere
A device that cuts off the electricity if even very tiny amounts of current leave the normal circuit for the purpose of reducing the likelihood of human shock injury is known as a(n):
magnet
service entrance panel
circuit breaker
ground fault circuit interrupter
A plug or cartridge containing a strip of metal that melts when more than a specified amount of current passes through it is known as a(n):
circuit breaker
fuse
amp meter
conduit
Voltage drop is caused by:
poor insulation
old material
resistance
faulty fuses
___________is a device designed to open and close by nonautomatic means and to open the circuit automatically on a predetermined overcurrent without damage to itself.
Fuse
Circuit breaker
Limit switch
Motor contactor
The number of cycles of alternating current is called ______________.
volte
amperes
hertz
duty cycle
In a 120-volt circuit, the conductor with black insulation must be used as the
equipment grounding conductor
ungrounded conductor
grounding conductor
grounding electrode conductor
In three-way switch circuits, electricity passes from one switch to the other through ___________.
common terminals
traveler wires
grounded conductors
none of these
White wires used as an ungrounded conductor must be
connected to black wires
connected to fixtures
stripped of all insulation
taped or painted black
A(n) _____ is a device responsible for placing another device in motion.
potentiometer
manual
actuator
armature
AC current powered by suppliers in the United States is generated at _____ cycles per second.
10
60
1,000
10,000
The ability to draw energy from a source and store it in a magnetic field is called _____.
resistance
conductance
inductance
potentiometer
The ability of a material to carry electrons or electricity is called _____.
resistance
grounding
bonding
conductance
Which of the following items would be needed in order to turn lights on or off from three separate locations on the same circuit?
1 single pole switch, 1 three way switch and 1 four way switch
1 four way switch and 2 three way switches
1 three way switch and 2 four way switches
3 four way switches
A device used to determine if electricity can flow between two points is known as a(n):
continuity tester
circuit breaker
switch
receptacle
An individual wire that has a red or black coating would be used for:
bonding appliances
grounding appliances
insulating appliances
carrying current to appliances
What is the term used to describe the unit of measure of the rate of flow of electricity?
Volt
Watt
Ohm
Amp
The device that disconnects a capacitor after a motor is up to speed is a:
centrifugal switch
repulsor
sensor
voltage booster
Components that transfer power from motor to machine make up the:
clutch assembly
clutch housing
drive train
transmission
