ELECTRICITY FOR HVAC | FROM QUESTION TO
PERFECTION| STUDY WITH CONFIDENCE!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, What does NEC stand for? Answer: National Electric Code
What is Ampacity? Answer: The current carrying capacity of wire or cable expressed in
amperes or amps.
What is EMF? Answer: Electromotive Force (volts)
What is Amperage? Answer: The measurement of electrical flow in a conductor.
You check volts in parallel or series? Answer: parallel
You check amps in parallel or series? Answer: series
What is Voltage? Answer: The difference in potential force between two points. Most often
called Electromotive Force (EMF).
Resistance is measured in ____. Answer: ohms
Current is measured in ______. Answer: amps
Amps are indicated by what letter? Answer: A or I
Resistance is indicated by what letter? Answer: R
Voltage is indicated by what letter? Answer: E or V
Good conductors have ______ resistance. Answer: low
Poor conductors or insulators have _______ resistance. Answer: high
A device that uses power is referred to as a _____? Answer: Load
Controls can be either _____ or _____. Answer: operators, safeties
Provides a path for current to flow. Answer: conductors
Disconnect power to measure _______. Answer: ohms
Voltage is divided between each load in a _____ circuit. Answer: series
Voltage is the same to each load in a _____ circuit. Answer: parallel
Matter is made up of _____. Answer: atoms
Like charges _______ each other. Answer: repel
Opposite charges ________ each other. Answer: attract
Electrons moving down a conductor are referred to as _____ electrons. Answer: free
What are examples of good conductors: Answer: gold, silver, copper, aluminum
Magnets have lines of force that are called _______. Answer: magnetic flux
_____ current travels in one direction. Answer: Direct
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
PERFECTION| STUDY WITH CONFIDENCE!
Course Code:
Course Title:
Programme:
Academic Year: 2026/2027.
Duration: 2 Hours.
Total Marks: 100.
Candidate Instructions:
1) Write your Registration Number on every answer booklet used.
2) Answer ALL questions in Section A and ANY TWO (2) questions in Section B.
3) Read each question carefully before answering.
4) Begin each question on a new page.
5) The marks for each question are indicated in brackets.
6) This paper consists of several printed pages, including this page.
7) Ensure your copy is complete before the examination begins.
8) Unauthorized materials and communication with other candidates are not permitted.
Turn Over.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, What does NEC stand for? Answer: National Electric Code
What is Ampacity? Answer: The current carrying capacity of wire or cable expressed in
amperes or amps.
What is EMF? Answer: Electromotive Force (volts)
What is Amperage? Answer: The measurement of electrical flow in a conductor.
You check volts in parallel or series? Answer: parallel
You check amps in parallel or series? Answer: series
What is Voltage? Answer: The difference in potential force between two points. Most often
called Electromotive Force (EMF).
Resistance is measured in ____. Answer: ohms
Current is measured in ______. Answer: amps
Amps are indicated by what letter? Answer: A or I
Resistance is indicated by what letter? Answer: R
Voltage is indicated by what letter? Answer: E or V
Good conductors have ______ resistance. Answer: low
Poor conductors or insulators have _______ resistance. Answer: high
A device that uses power is referred to as a _____? Answer: Load
Controls can be either _____ or _____. Answer: operators, safeties
Provides a path for current to flow. Answer: conductors
Disconnect power to measure _______. Answer: ohms
Voltage is divided between each load in a _____ circuit. Answer: series
Voltage is the same to each load in a _____ circuit. Answer: parallel
Matter is made up of _____. Answer: atoms
Like charges _______ each other. Answer: repel
Opposite charges ________ each other. Answer: attract
Electrons moving down a conductor are referred to as _____ electrons. Answer: free
What are examples of good conductors: Answer: gold, silver, copper, aluminum
Magnets have lines of force that are called _______. Answer: magnetic flux
_____ current travels in one direction. Answer: Direct
APPHIA – Crafted with Care and Precision for Academic Excellence.
2
