Midterm Hvac Electrical Exam Questions With Correct Answers
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Course
Hvac Electrical
Institution
Hvac Electrical
Midterm Hvac Electrical Exam Questions
With Correct Answers
_____ are the particles that orbit the core of an atom - answerelectrons
______ is the force that pushes free electrons through conductors - answervoltage
name 3 terms meaning voltage - answerelectromotive force (emf) potential differe...
Midterm Hvac Electrical Exam Questions
With Correct Answers
_____ are the particles that orbit the core of an atom - answer✔✔electrons
______ is the force that pushes free electrons through conductors - answer✔✔voltage
name 3 terms meaning voltage - answer✔✔electromotive force (emf) potential difference and
eletrical pressure
a device used to generate electricity is called a - answer✔✔voltage source
name 6 voltage sources - answer✔✔battery, generator, solar cell, thermocouple, alternator,
transformer secondary
is voltage current? - answer✔✔no
electric current is ________ flowing through a conductor - answer✔✔electrons
_______ is the measurement of current flow - answer✔✔amperage
amperage tells the _____ of electrons moving thru a conductor - answer✔✔amount
what device is used to check amperage? - answer✔✔ammeter
conductors provide a ____ for current - answer✔✔path
a circut with a complete path for current is said to have ________ - answer✔✔continuity
do wires have continuity? - answer✔✔yes
_______ _______ reverses direction at regular intervals - answer✔✔alternating current
current alternates (reverses direction) two times every _____ - answer✔✔cycle
ac in the usa flows at 60 cycles per _____ , which means the same as 60 _____ -
answer✔✔seconds, hertz
__________ is the opposition to current flow - answer✔✔resistance
resistance reduces the ______of electrons flowing thru a circuit - answer✔✔amount
ohms law states 1____ will push 1 ___ through 1 ___ - answer✔✔volt, amp, ohm
ohms law formula is - answer✔✔e = i x R
if resistance does not change and voltage increases amperage will ______ - answer✔✔increase
if resistance does not change and voltage doubles amperage would ______ - answer✔✔double
if voltage does not change and resistance decreases amperage will _______ - answer✔✔increase
if voltage does not change and resistance is cut in half amperage will _____ - answer✔✔double
the ____ is the measurement of electric power - answer✔✔watt
watts law formula is - answer✔✔p= i x e
120 volts pushing 10 amps of current will generate ____ watts of power. (convert to kilowatts
____ kw) - answer✔✔1200, 1.2
which 120 volt load draws the most amperage, a 40 watt lamp or a 60watt lamp? - answer✔✔60
watt
which one has higher resistance, the 40 watt lamp or the 60 watt lamp? - answer✔✔40 watt
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