Types of HVAC Systems: A Comprehensive Guide for Construction Professionals

Question 1

Which HVAC system type combines an outdoor unit with an indoor unit, housed in a single package?

Accepted Answer

Packaged system

Answer

Central system

Answer

Split system

Answer

Geothermal system

Question 2

Central HVAC systems are ideal for buildings that:

Accepted Answer

Have multiple stories and rooms

Answer

Are small and have one story

Answer

Require minimal cooling and heating

Answer

Experience extreme climates

Question 3

A key benefit of split HVAC systems is their:

Accepted Answer

Zoning capabilities

Answer

Ease of installation

Answer

High energy efficiency

Answer

Low initial cost

Question 4

Which HVAC system type utilizes the Earth's temperature as its heat or cooling source?

Accepted Answer

Geothermal system

Answer

Central system

Answer

Split system

Answer

Packaged system

Question 5

Split HVAC systems enable precise temperature control in different zones because they have:

Accepted Answer

Multiple indoor units

Answer

Variable-speed fans

Answer

Central thermostats

Answer

Modulating valves

Question 6

Which component of a central HVAC system distributes conditioned air throughout the building?

Accepted Answer

Ductwork

Answer

Condenser

Answer

Evaporator

Answer

Blower

Question 7

Which of the following is not a central HVAC system type?

Accepted Answer

Split system

Answer

Single-zone system

Answer

Multi-zone system

Answer

Packaged unit

Question 8

What is a key benefit of using a packaged HVAC unit?

Accepted Answer

Compact design and simplified installation

Answer

Enhanced indoor air quality

Answer

Reduced operating costs compared to central systems

Answer

Greater ability to control multiple zones

Question 9

In which type of building are central HVAC systems commonly used?

Accepted Answer

Large commercial buildings

Answer

Small homes

Answer

Apartments

Answer

Industrial warehouses

Question 10

Which type of filter is most effective in removing allergens from the air?

Accepted Answer

HEPA filter

Answer

Fiberglass filter

Answer

Pleated filter

Answer

Carbon filter

Question 11

What is the primary role of a thermostat in an HVAC system?

Accepted Answer

Measuring and controlling room temperature

Answer

Regulating the flow of refrigerant

Answer

Filtering and purifying the air

Answer

Circulating air throughout the building

Question 12

Which type of HVAC system is commonly used in large commercial buildings and consists of a central unit that distributes conditioned air throughout the building via ducts?

Accepted Answer

Central system

Answer

Split system

Answer

Packaged system

Question 13

What is a primary advantage of split HVAC systems compared to central systems?

Accepted Answer

Enhanced temperature control in individual rooms

Answer

Lower installation costs

Answer

Higher energy efficiency

Question 14

Which type of HVAC system combines the condenser, evaporator, and compressor into a single outdoor unit?

Accepted Answer

Packaged system

Answer

Central system

Answer

Split system

Question 15

What is a potential maintenance challenge associated with central HVAC systems?

Accepted Answer

Restricted access to the central unit for repairs

Answer

Compatibility issues with different room temperature requirements

Answer

Higher labor costs for maintenance

Question 16

Which type of HVAC system is typically suitable for smaller spaces, such as apartments or individual rooms, and consists of both an indoor and an outdoor unit?

Accepted Answer

Split system

Answer

Central system

Answer

Packaged system

Question 17

Which type of HVAC system allows for precise temperature control in individual rooms?

Accepted Answer

Split system

Answer

Central system

Answer

Packaged system

Question 18

Which of the following is NOT a component of a central HVAC system?

Accepted Answer

Condenser

Answer

Furnace

Answer

Thermostat

Question 19

In an HVAC system, which component absorbs heat from the air and transfers it to the refrigerant?

Accepted Answer

Evaporator

Answer

Compressor

Answer

Condenser

Answer

Blower

Question 20

Which type of HVAC system consists of a central unit that distributes conditioned air throughout a building via a network of ducts?

Accepted Answer

Central

Answer

Split

Answer

Packaged

Question 21

Which advantage is associated with split HVAC systems?

Accepted Answer

Individual temperature control for different zones

Answer

Lower installation costs

Answer

Compact unit design

Question 22

Which component of a split HVAC system is responsible for circulating air within a room?

Accepted Answer

Air handler

Answer

Condenser

Answer

Evaporator

Question 23

Which duct design is predominantly employed in commercial HVAC systems?

Accepted Answer

Rectangular

Answer

Circular

Answer

Semi-circular

Question 24

Which type of HVAC system consists of an outdoor unit connected to multiple indoor units, allowing for independent temperature control in different zones?

Accepted Answer

Split system

Answer

Central system

Answer

Packaged system

Answer

Heat pump system

Question 25

Central HVAC systems typically include which component that is responsible for distributing conditioned air throughout the building?

Accepted Answer

Air handler

Answer

Evaporator coil

Answer

Condenser

Answer

Thermostat

Question 26

What is a primary advantage of split HVAC systems over other types?

Accepted Answer

Zoned temperature control

Answer

Lower installation costs

Answer

Reduced energy consumption

Answer

Increased indoor air quality

Question 27

What is the primary function of the evaporator coil within an HVAC system?

Accepted Answer

Heat absorption from the indoor air

Answer

Heat dissipation to the outdoor air

Answer

Moisture removal from the air

Answer

Air filtration and purification

Question 28

When sizing an HVAC system, which of the following factors is NOT taken into consideration?

Accepted Answer

Desired indoor humidity level

Answer

Building size and layout

Answer

Number of occupants

Answer

Local climate data

Question 29

In larger commercial buildings, which HVAC system type is commonly used, featuring a central air handler that distributes air through ducts?

Accepted Answer

Central HVAC System

Answer

Packaged HVAC System

Answer

Split HVAC System

Answer

Hybrid HVAC System

Question 30

Which type of HVAC system is typically used in large commercial buildings due to its ability to provide efficient heating and cooling for a large space?

Accepted Answer

Central system

Answer

Packaged system

Answer

Split system

Answer

Hybrid system

Question 31

A hybrid HVAC system combines features of both electric and gas-powered systems. What is the primary advantage of this type of system, making it an attractive choice for energy-conscious homeowners?

Accepted Answer

Increased energy efficiency

Answer

Lower installation cost

Answer

Easier maintenance

Answer

Enhanced air quality

Question 32

What is a potential disadvantage of a packaged HVAC system, particularly in buildings with different temperature requirements in various rooms?

Accepted Answer

Less flexibility in zoning

Answer

Higher energy consumption

Answer

Greater noise levels

Question 33

What is the primary purpose of an evaporator coil in an HVAC system, playing a crucial role in the cooling process?

Accepted Answer

Absorb heat from the indoor air

Answer

Filter impurities from the air

Answer

Release heat into the outdoor air

Answer

Control airflow through the system

Question 34

What is the main function of a ductwork system in an HVAC system, enabling efficient distribution of conditioned air throughout a building?

Accepted Answer

Distribute conditioned air throughout the building

Answer

Control system operation

Answer

Filter and purify outdoor air

Answer

Generate heat or cooling

Question 35

Which characteristic is a defining feature of a split system HVAC unit?

Accepted Answer

Separate indoor and outdoor units

Answer

Packaged design with all components in one unit

Answer

Use of only refrigerant to circulate heated or cooled air

Answer

Centralized location of all components

Question 36

In which type of building is a central HVAC system commonly used?

Accepted Answer

Large commercial building

Answer

Packaged system

Answer

Split system

Answer

Window unit

Question 37

What is a primary advantage of a packaged HVAC unit?

Accepted Answer

Compact size and ease of installation

Answer

Ability to handle multiple zones

Answer

Higher efficiency

Answer

Lower energy consumption

Question 38

Which of the following is NOT a potential disadvantage of a split system HVAC unit?

Accepted Answer

Lower installation cost

Answer

Potential for refrigerant leaks

Answer

Increased energy consumption compared to central systems

Answer

Increased maintenance requirements

Question 39

In a central HVAC system, what is the primary function of the air handler?

Accepted Answer

Distributing conditioned air throughout the building

Answer

Cooling the refrigerant

Answer

Condensing the refrigerant

Question 40

For which type of building is a packaged HVAC system generally the most suitable option?

Accepted Answer

Small residential building

Answer

Central system

Answer

Split system

Answer

Window unit

Question 41

Where is the evaporator coil typically located in a residential HVAC system?

Accepted Answer

Air handler

Answer

Condenser unit

Answer

Refrigerant lines

Answer

Thermostat

Question 42

Which factor should be considered when selecting an HVAC system for a specific building?

Accepted Answer

Building size and layout

Answer

Color of the unit

Answer

Brand name of the manufacturer

Answer

Cost of the system only

Question 43

In a split system HVAC unit, where is the condenser coil typically housed?

Accepted Answer

Outdoor unit

Answer

Indoor unit

Answer

Air handler

Answer

Thermostat

Question 44

Which type of HVAC system is most suitable for large commercial buildings with multiple zones, requiring independent temperature control in each zone?

Accepted Answer

Central system

Answer

Window unit

Answer

Split system

Answer

Packaged system

Question 45

Which type of split system has multiple indoor units connected to a single outdoor unit, allowing for independent temperature control in different zones?

Accepted Answer

Multi-zone split system

Answer

Packaged system

Answer

Variable refrigerant flow (VRF) system

Answer

Mini-split system (single-zone)

Question 46

What is a key advantage of using a packaged HVAC system in terms of space utilization?

Accepted Answer

Compact design, combining all major components into a single unit, reducing the required installation space

Answer

Higher energy efficiency than split systems

Answer

Easier maintenance due to centralized components

Answer

Lower initial cost compared to other systems

Question 47

Which type of HVAC system is commonly used in residential homes with relatively small floor plans and a single temperature zone?

Accepted Answer

Single-zone split system

Answer

Packaged system

Answer

Multi-zone split system

Answer

Central system

Question 48

What is a primary disadvantage of using a packaged HVAC system compared to other system types?

Accepted Answer

Limited ability to customize and select specific components to meet specific project requirements

Answer

Higher maintenance costs than other systems

Answer

Lower energy efficiency compared to split systems

Question 49

What is the primary function of a variable speed fan motor in an HVAC system?

Accepted Answer

Adjusting fan speed based on system demand to optimize energy efficiency and comfort levels

Answer

Reducing noise levels from the HVAC system

Answer

Increasing airflow in specific areas of the conditioned space

Question 50

What is the main distinction between a split system and a central system when it comes to component placement?

Accepted Answer

Split system has separate indoor and outdoor units, while central system has all major components housed in a single outdoor unit

Answer

Split system is more efficient than a central system