HVAC Block 1 Pre Test Questions All
Solved Correct 2025-2026 Rated A+.
In what sequence will the NEC be published? - Answer 2008,2011,2014,2017
The NEC covers what type of structure? - Answer Buildings
Who publishes the NEC? - Answer The National Fire Protection Association
Compliance with the NEC is? - Answer Mandatory
Compliance with the NEC is __________ but many cities, states, and military installations have
adopted the code as their standard - Answer Mandatory
The NESC is printed every _______ years by the Institute of Electrical and Electronic
Engineers(IEEE) - Answer 5
The National Electrical Safety Code(NESC) is the authoritative reference covering the _________
of ________ and ________ - Answer Development, Power, Communication Utility Standard
In the NESC, a technician can find _________ regarding ________ and installation of large
_________ and communication _________ - Answer Information, Operation, Distribution
Power, Cables
Periodic Table of the _______ - Answer Elements
________ The smallest form of an element - Answer Atom
________ the smallest form of substance - Answer Molecule
Water, table salt, and sterling silver are _______ - Answer Compound's
, Current is the uniform flow of free Electrons from _______ to _______ - Answer Negative,
Positive
Which of the following isn't an effect of current flow? - Answer Voltage
__________ power can't be transmitted over great distances - Answer Direct Current (DC)
__________ power can be stepped up or stepped down - Answer Alternate Current (AC)
With AC power, current is constantly changing in ________ and periodically changing _______ -
Answer Amplitude, In Direction
Voltage is also described as? - Answer Electromotive Force
Which kind of voltage is generated using a conductor, magnetic field, and relation motion? -
Answer Mechanical
___________ is defined as "Opposition to current flow" - Answer Resistance
What are the 4 factors that contribute to the resistance of a conductor? - Answer MALT
(Material, Area, Location, Temperature)
Silver isn't for Internal wiring in homes - Answer True
Which of the following isn't the same as a natural magnet? - Answer Electromagnet
What are the 3 components needed for electromagnetism? - Answer Current, Coil, Core
The strength or intensity of an electromagnet depends on 3 major factors: the type of ________
of the ________; the number of _______ of the _________; and amount of _______ through
the _______ - Answer Material, Core, Coils, Magnetic Field, Current Flowing,Coil
The transfer of energy from one form to another is? - Answer Work
Solved Correct 2025-2026 Rated A+.
In what sequence will the NEC be published? - Answer 2008,2011,2014,2017
The NEC covers what type of structure? - Answer Buildings
Who publishes the NEC? - Answer The National Fire Protection Association
Compliance with the NEC is? - Answer Mandatory
Compliance with the NEC is __________ but many cities, states, and military installations have
adopted the code as their standard - Answer Mandatory
The NESC is printed every _______ years by the Institute of Electrical and Electronic
Engineers(IEEE) - Answer 5
The National Electrical Safety Code(NESC) is the authoritative reference covering the _________
of ________ and ________ - Answer Development, Power, Communication Utility Standard
In the NESC, a technician can find _________ regarding ________ and installation of large
_________ and communication _________ - Answer Information, Operation, Distribution
Power, Cables
Periodic Table of the _______ - Answer Elements
________ The smallest form of an element - Answer Atom
________ the smallest form of substance - Answer Molecule
Water, table salt, and sterling silver are _______ - Answer Compound's
, Current is the uniform flow of free Electrons from _______ to _______ - Answer Negative,
Positive
Which of the following isn't an effect of current flow? - Answer Voltage
__________ power can't be transmitted over great distances - Answer Direct Current (DC)
__________ power can be stepped up or stepped down - Answer Alternate Current (AC)
With AC power, current is constantly changing in ________ and periodically changing _______ -
Answer Amplitude, In Direction
Voltage is also described as? - Answer Electromotive Force
Which kind of voltage is generated using a conductor, magnetic field, and relation motion? -
Answer Mechanical
___________ is defined as "Opposition to current flow" - Answer Resistance
What are the 4 factors that contribute to the resistance of a conductor? - Answer MALT
(Material, Area, Location, Temperature)
Silver isn't for Internal wiring in homes - Answer True
Which of the following isn't the same as a natural magnet? - Answer Electromagnet
What are the 3 components needed for electromagnetism? - Answer Current, Coil, Core
The strength or intensity of an electromagnet depends on 3 major factors: the type of ________
of the ________; the number of _______ of the _________; and amount of _______ through
the _______ - Answer Material, Core, Coils, Magnetic Field, Current Flowing,Coil
The transfer of energy from one form to another is? - Answer Work
