Which of the following is an example of direct solar water heating system?
A. Pressurised antifreeze system
B. Pumped systems to circulate transfer fluid
C. Convection heat storage system
D. Drainback system
Answer:C
Which of the following is an example of direct solar water heating system?
A. Pressurised antifreeze system B. Pumped systems to circulate transfer fluid C. Convection heat storage system D. Drainback system