Central Heating Systems Quiz

What percentage of homes in the UK have central heating according to the document?

• 97%

• 75%

• 50%

• 85%

What is the main purpose of central heating design as mentioned in the document?

• To increase fuel usage

• To save thousands of tonnes of carbon dioxide

• To release carbon dioxide into the atmosphere

• To provide a decorative aspect to homes

Which of the following is NOT listed as a type of central heating system in the document?

• Semi-gravity heating systems

• Fully pumped systems

• Solar-powered heating systems

• Sealed (pressurised) heating systems

What type of central heating boilers are mentioned under 'Heat-producing appliances' in the document?

• Electric boilers

• Solid fuel appliances

• Oil-fired boilers

• Biomass boilers

Which of the following is a component of mechanical central heating controls listed in the document?

• Room thermostats

• Radiator valves

• Cylinder thermostats

• Motorised valves

What is the main purpose of central heating according to the document?

• To provide thermal comfort conditions within a building or dwelling

• To increase air velocity within a building

• To reduce the amount of moisture in the environment

• To regulate the amount of air movement for fresh air replacement

What is the ideal humidity range for human comfort as mentioned in the document?

• 10 to 30 percent humidity

• 40 to 60 percent humidity

• 70 to 90 percent humidity

• 20 to 50 percent humidity

According to the document, air temperature at ground level should not be greater than how many degrees Celsius above head height?

• 1°C

• 2°C

• 3°C

• 4°C

What is the preferred air velocity within a building for comfort as per the document?

• Between 0.1 and 0.2m per second

• Between 0.2 and 0.25m per second

• Between 0.3 and 0.4m per second

• A constant air velocity

How does the level of activity within a building affect the temperature requirements, according to the document?

• More activity increases the temperature required

• More activity does not affect the temperature required

• More activity decreases the temperature required

• The level of activity affects only the air quality, not the temperature