Free BOC HVAC Systems and Controls Questions and Answers

Question 1

What is the primary function of an HVAC system?

Accepted Answer

Control temperature, humidity, and air quality

Answer

HVAC systems regulate heating, ventilation, and air conditioning to maintain indoor comfort and air quality.

Question 2

Which component is responsible for moving air through a duct system?

Accepted Answer

Blower fan

Answer

Fans or blowers circulate air through HVAC systems to distribute conditioned air throughout a building.

Question 3

What is the role of a thermostat in HVAC systems?

Accepted Answer

Regulate temperature by controlling the system

Answer

Thermostats sense room temperature and signal HVAC equipment to turn on or off to maintain desired conditions.

Question 4

Which type of HVAC system allows individual control of different building zones?

Accepted Answer

Zoned system

Answer

Zoned HVAC systems divide spaces into areas that can be controlled independently, increasing energy efficiency and comfort.

Question 5

What does a Variable Air Volume (VAV) system do?

Accepted Answer

Vary airflow based on space requirements

Answer

VAV systems adjust the amount of air delivered to spaces based on cooling or heating needs, improving efficiency.

BOC - Building Operator Certification Practice Test