NATE CORE EXAM 2026 HEATING AND
COOLING SYSTEMS FUNDAMENTALS
ASSESSMENT STUDY GUIDE COMPLETE
QUESTIONS AND ANSWERS
◉ A service company was blasted in a news article the employees
were briefed in a company meeting and the majority of them
nothing was done wrong and supported the company. The
employees shown there were? Answer: Loyal
◉ The federal agency that oversees the transportation of
pressurized cylinder is? Answer: DOT
◉ The dictionary defines an honest person as one who is free from
fraud or deception, which of the following will hold true? Answer:
An honest person is fair and their dealings with other people
◉ A condition that must be met to make an agreement legally
binding is? Answer: The agreement must include one promise in
exchange for another
◉ Which of the following expresses the difference between a feature
in a benefit? Answer: A feature is a special characteristic of a product
,and a benefit is the value of the customer receives from using the
future
◉ According to the health and safety regulations, when climbing up
or down a ladder the worker must? Answer: Always face the ladder
◉ Refrigerant vapors in large quantities should not be inhaled since
they are? Answer: May cause heart irregularities or fainting
◉ Care should be taken before sawing basement walls that are part
of the original structural construction of a home because these walls
are typically? Answer: Load bearing
◉ Describe a wet bulb thermometer: Answer: The class
thermometer with a wet piece of gauze on the end
◉ The federal agency with jurisdiction over the shipping and
labeling of refrigerant is? Answer: DOT
◉ The temperature most often used by customers when discussing
human comfort is? Answer: Dry bulb temperature
◉ Why are humidifiers used with furnaces? Answer: Increased
relative humidity and make the customer more comfortable
, ◉ The damper used with a bypass humidifier must be? Answer:
Open in the winter
◉ The primary purpose for bringing in outdoor air into a residential
air distribution system is to? Answer: Equalize pressure between
inside and outside of the structure
◉ Why is sound a consideration in locating a heating furnace?
Answer: Excessive noise is annoying to the customer
◉ Combustion is what type of process? Answer: Chemical
◉ Any pressure measured by liquid or gas on a surface is typically
measured how? Answer: A reading relative to atmospheric pressure
◉ A conductor moving through a magnetic field will? Answer:
Current in the wire
◉ The unit of electrical pressure is the? Answer: Volts
◉ Power is measured in? Answer: Watts (W)
COOLING SYSTEMS FUNDAMENTALS
ASSESSMENT STUDY GUIDE COMPLETE
QUESTIONS AND ANSWERS
◉ A service company was blasted in a news article the employees
were briefed in a company meeting and the majority of them
nothing was done wrong and supported the company. The
employees shown there were? Answer: Loyal
◉ The federal agency that oversees the transportation of
pressurized cylinder is? Answer: DOT
◉ The dictionary defines an honest person as one who is free from
fraud or deception, which of the following will hold true? Answer:
An honest person is fair and their dealings with other people
◉ A condition that must be met to make an agreement legally
binding is? Answer: The agreement must include one promise in
exchange for another
◉ Which of the following expresses the difference between a feature
in a benefit? Answer: A feature is a special characteristic of a product
,and a benefit is the value of the customer receives from using the
future
◉ According to the health and safety regulations, when climbing up
or down a ladder the worker must? Answer: Always face the ladder
◉ Refrigerant vapors in large quantities should not be inhaled since
they are? Answer: May cause heart irregularities or fainting
◉ Care should be taken before sawing basement walls that are part
of the original structural construction of a home because these walls
are typically? Answer: Load bearing
◉ Describe a wet bulb thermometer: Answer: The class
thermometer with a wet piece of gauze on the end
◉ The federal agency with jurisdiction over the shipping and
labeling of refrigerant is? Answer: DOT
◉ The temperature most often used by customers when discussing
human comfort is? Answer: Dry bulb temperature
◉ Why are humidifiers used with furnaces? Answer: Increased
relative humidity and make the customer more comfortable
, ◉ The damper used with a bypass humidifier must be? Answer:
Open in the winter
◉ The primary purpose for bringing in outdoor air into a residential
air distribution system is to? Answer: Equalize pressure between
inside and outside of the structure
◉ Why is sound a consideration in locating a heating furnace?
Answer: Excessive noise is annoying to the customer
◉ Combustion is what type of process? Answer: Chemical
◉ Any pressure measured by liquid or gas on a surface is typically
measured how? Answer: A reading relative to atmospheric pressure
◉ A conductor moving through a magnetic field will? Answer:
Current in the wire
◉ The unit of electrical pressure is the? Answer: Volts
◉ Power is measured in? Answer: Watts (W)
