One-Pipe Central Heating Systems Quiz

In a one-pipe central heating system:

• Flow and return pipes are separate.

• Flow and return pipes are combined.

• Only a flow pipe is used.

• Only a return pipe is used.

Which of the following is NOT a common component of a one-pipe central heating system?

• Boiler

• Radiators

• Pump

• Expansion vessel

What is the primary disadvantage of a one-pipe system compared to a two-pipe system?

• Lower efficiency

• Higher installation cost

• More complex design

• Noisier operation

What is the primary purpose of a thermostatic radiator valve (TRV)?

• To control the flow rate of water to the radiator.

• To prevent overheating of the boiler.

• To regulate the water pressure in the system.

• To protect the system from freezing.

How does a TRV work?

• By regulating the flow of electricity to the radiator.

• Depending on the setting and the room temperature, it will control the flow rate.

• By adjusting the temperature of the water entering the radiator.

• By monitoring the room temperature.

What is the purpose of an air vent in a one-pipe system?

• Safety feature if the water temperature is to hot and expands, and air to escape.

• To regulate the flow of water to the radiators.

• To prevent overheating of the boiler.

• To protect the system from freezing.

What is the purpose of an automatic air vent?

• To automatically release air from the system.

• To manually release air from the system.

• To regulate the flow of water to the radiators.

• To prevent overheating of the boiler.

In a one-pipe heating system, which component is typically not used?

• Radiator.

• Thermostat.

• Pump.

• Expansion vessel

What is a disadvantage of a one-pipe heating system?

• Higher efficiency.

• Lower cost.

• Lower efficiency (Due to heat loss as water cools in the pipe).

• Easier installation.

Which one of these would make a one pipe system more efficient.

• Compressiopn Tee

• Standard End Feed Tee

• Swept Tee

• Reducing Tee