central heating Flashcards
How does a central heating system work?
A central heating system generates heat at a central source,
What are the different types of central heating systems
Uses a gas boiler to heat water, which circulates through radiators or underfloor heating.
What is the primary function of central heating?
To heat a building or space efficiently.
True or False: Central heating systems can only use gas as fuel.
False
What are the two main types of central heating systems?
Wet systems and dry systems.
Fill in the blank: A central heating system that uses water to transfer heat is known as a __________ system.
wet
What is the purpose of a thermostat in a central heating system?
To regulate the temperature by controlling the heating system.
Multiple Choice: Which of the following is NOT a type of fuel used in central heating? A) Gas B) Oil C) Wood D) Plastic
D) Plastic
True or False: All central heating systems are energy-efficient.
False
What is the role of a boiler in a central heating system?
To heat water that is circulated through the system.
Fill in the blank: The __________ is a key component that helps to maintain consistent water pressure in a central heating system.
expansion tank
What is the main advantage of using a combi boiler?
It provides both heating and hot water on demand without the need for a separate water tank.
Multiple Choice: Which system is generally considered more efficient? A) Traditional boiler system B) Modern condensing boiler system
B) Modern condensing boiler system
What is the purpose of insulation in central heating systems?
To reduce heat loss and improve energy efficiency.
True or False: Underfloor heating is a type of central heating system.
True
What does the term ‘zoning’ refer to in central heating?
Dividing a building into different areas that can be heated independently.
Fill in the blank: A __________ valve helps control the flow of water in a central heating system.
thermostatic
What is the typical lifespan of a central heating boiler?
15 to 20 years.
Multiple Choice: Which of the following is a common issue with central heating systems? A) Overheating B) Underheating C) Leaks D) All of the above
D) All of the above
What is the purpose of a radiator bleed valve?
To release trapped air from the radiator.