Question 1: What is the primary function of a solar collector?

• Generating electricity

• Collecting heat from the sun

• Storing hot water

• Distributing cold water

Question 2: Which of the following is a type of thermal collector mentioned in the text?

• Photovoltaic collector

• Flat plate collector

• Wind collector

• Battery collector

Question 3: What activates the pump in a solar thermal system?

• Wind energy

• Differential temperature controller (DTC)

• Photocells

• Rain sensor

Question 4: Why is glycol added to the heat transfer fluid in the solar thermal system?

• To enhance the colour of the fluid

• To increase system efficiency

• To generate electricity

• To prevent freezing in colder temperatures

Question 5: What is the purpose of the higher coil in a hot water storage cylinder?

• To cool the system fluid

• To connect to the solar system

• To store cold water

• To connect to an auxiliary heat source (boiler)