©BRIGHTSTARS EXAM SOLUTIONS
10/22/2024 19:29 PM
HVAC electrical midterm Study Questions
And Answers 100% Pass
Energy - answer✔electricity is a form of__
Converted and energy - answer✔Electricity can be__into another form of__
Energy - answer✔Heat, magnetism, light, motion, and pressure are all forms of___
Higher and lower - answer✔Energy moves from a place where there is___ energy to a place
where there is ____ energy
Electron - answer✔are the particles that orbit the core of an atom.
Free - answer✔Conductors are materials that have many ____electrons
EMF (electromotive force) - answer✔_____ is the force that pushes free electrons through
conductors.
Potential difference and electrical pressure - answer✔List two terms that mean EMF
1.______
2.______
The volt - answer✔What is the unit of measurement of EMF. ___
Voltage source - answer✔What device used to generate electricity is called a
1) Battery, 2) Generator, 3) Solar Cell, 4) Thermocouple, - answer✔Name for DC voltage
sources
1) Alternator, 2) Transformer Secondary - answer✔Name two AC voltage sources
No - answer✔Is voltage current
free elections - answer✔Electric current is_____ _________ moving through a conductor
, ©BRIGHTSTARS EXAM SOLUTIONS
10/22/2024 19:29 PM
The ampere - answer✔What is the unit of measurement for current flow?
Amount - answer✔Amperage tells the ______ of electron moving through a conductor
Ammeter - answer✔What device used to check amperage ? The______
Heat,magnetism - answer✔_____&____ are produces when current flow through a circuit
Path - answer✔A conductors provides a _____ for current flow
Continuity - answer✔A circuit with a complete path for a current is said to have___
No - answer✔Does an open switch have continuity?
Yes - answer✔Does a wire have continuity?
1) Alternating Current, 2) Direct Current - answer✔Name 2 types of current flow.
Alternating Current - answer✔______reverses direction at regular intervals.
cycle - answer✔Current alternates (reverses direction) two times every______
second, Hertz (Hz) - answer✔AC in the USA flows at 60 cycles per____which means the same
as 60____
120 - answer✔60 Hz AC changes direction_____ time a second
Resistance - answer✔_______is the opposition to current flow.
Amount - answer✔Resistance reduces the_____of electrons flowing through a circuit.
Low - answer✔Amperage will be high through a circuit that has____resistance.
Ohm - answer✔The unit of measurement for Resistance is the____
1) pure (or resistive), 2) reactive - answer✔Name 2 types of resistance.
Reactive - answer✔Back E.M.F. (BEMF) is a type of_____resistance.
magnetism - answer✔Back E.M.F. (BEMF) is produced by____in motion.
AC, inductive - answer✔Back E.M.F. (BEMF) only happens in__circuits with an____load____
1) material, 2) length, 3) girth, 4) temperature, 5) magnetism in motion - answer✔Name 5 factors
that affect the resistance of a device.
10/22/2024 19:29 PM
HVAC electrical midterm Study Questions
And Answers 100% Pass
Energy - answer✔electricity is a form of__
Converted and energy - answer✔Electricity can be__into another form of__
Energy - answer✔Heat, magnetism, light, motion, and pressure are all forms of___
Higher and lower - answer✔Energy moves from a place where there is___ energy to a place
where there is ____ energy
Electron - answer✔are the particles that orbit the core of an atom.
Free - answer✔Conductors are materials that have many ____electrons
EMF (electromotive force) - answer✔_____ is the force that pushes free electrons through
conductors.
Potential difference and electrical pressure - answer✔List two terms that mean EMF
1.______
2.______
The volt - answer✔What is the unit of measurement of EMF. ___
Voltage source - answer✔What device used to generate electricity is called a
1) Battery, 2) Generator, 3) Solar Cell, 4) Thermocouple, - answer✔Name for DC voltage
sources
1) Alternator, 2) Transformer Secondary - answer✔Name two AC voltage sources
No - answer✔Is voltage current
free elections - answer✔Electric current is_____ _________ moving through a conductor
, ©BRIGHTSTARS EXAM SOLUTIONS
10/22/2024 19:29 PM
The ampere - answer✔What is the unit of measurement for current flow?
Amount - answer✔Amperage tells the ______ of electron moving through a conductor
Ammeter - answer✔What device used to check amperage ? The______
Heat,magnetism - answer✔_____&____ are produces when current flow through a circuit
Path - answer✔A conductors provides a _____ for current flow
Continuity - answer✔A circuit with a complete path for a current is said to have___
No - answer✔Does an open switch have continuity?
Yes - answer✔Does a wire have continuity?
1) Alternating Current, 2) Direct Current - answer✔Name 2 types of current flow.
Alternating Current - answer✔______reverses direction at regular intervals.
cycle - answer✔Current alternates (reverses direction) two times every______
second, Hertz (Hz) - answer✔AC in the USA flows at 60 cycles per____which means the same
as 60____
120 - answer✔60 Hz AC changes direction_____ time a second
Resistance - answer✔_______is the opposition to current flow.
Amount - answer✔Resistance reduces the_____of electrons flowing through a circuit.
Low - answer✔Amperage will be high through a circuit that has____resistance.
Ohm - answer✔The unit of measurement for Resistance is the____
1) pure (or resistive), 2) reactive - answer✔Name 2 types of resistance.
Reactive - answer✔Back E.M.F. (BEMF) is a type of_____resistance.
magnetism - answer✔Back E.M.F. (BEMF) is produced by____in motion.
AC, inductive - answer✔Back E.M.F. (BEMF) only happens in__circuits with an____load____
1) material, 2) length, 3) girth, 4) temperature, 5) magnetism in motion - answer✔Name 5 factors
that affect the resistance of a device.
