Basic HVAC knowledge Exam
Questions & Answers (Grade A+)
Which of these heating methods is most commonly used as a heat
source in cold climates? -
correct answer ✅Natural gas furnaces
The purpose of an evaporator in the refrigeration cycle is to -
correct answer ✅transfer heat from the air to the refrigerant
Heat can be transferred from a refrigerant to the outdoors on a hot
day because the -
correct answer ✅refrigerant is warmer than the outdoor air
Oxygen is never used to purge an HVAC system because -
correct answer ✅an explosion could occur under certain
conditions
If a refrigerant is removed from a system and held in a storage tank
for return to the same system, it is said to have been -
correct answer ✅recovered
A company that would respond to a service request for a chiller
would most likely be -
correct answer ✅the manufacturer
, Basic HVAC knowledge Exam
Questions & Answers (Grade A+)
A temperature of 20℃ is equal to what temperature on the
Fahrenheit scale? -
correct answer ✅68℉
Which of the following represents the sequence for solving an
equation? -
correct answer ✅MDAS
When working with a circle, πd represents -
correct answer ✅the circumference
An acute angle has -
correct answer ✅less than 90 degrees
The voltage level received at a typical residence is -
correct answer ✅240V
The outcome of an electric shock is based on -
correct answer ✅the amount of current that flows through the
body.
Questions & Answers (Grade A+)
Which of these heating methods is most commonly used as a heat
source in cold climates? -
correct answer ✅Natural gas furnaces
The purpose of an evaporator in the refrigeration cycle is to -
correct answer ✅transfer heat from the air to the refrigerant
Heat can be transferred from a refrigerant to the outdoors on a hot
day because the -
correct answer ✅refrigerant is warmer than the outdoor air
Oxygen is never used to purge an HVAC system because -
correct answer ✅an explosion could occur under certain
conditions
If a refrigerant is removed from a system and held in a storage tank
for return to the same system, it is said to have been -
correct answer ✅recovered
A company that would respond to a service request for a chiller
would most likely be -
correct answer ✅the manufacturer
, Basic HVAC knowledge Exam
Questions & Answers (Grade A+)
A temperature of 20℃ is equal to what temperature on the
Fahrenheit scale? -
correct answer ✅68℉
Which of the following represents the sequence for solving an
equation? -
correct answer ✅MDAS
When working with a circle, πd represents -
correct answer ✅the circumference
An acute angle has -
correct answer ✅less than 90 degrees
The voltage level received at a typical residence is -
correct answer ✅240V
The outcome of an electric shock is based on -
correct answer ✅the amount of current that flows through the
body.
