Notifications
Clear all
Sources of Energy
1
Posts
2
Users
0
Likes
385
Views
0
04/08/2021 12:54 pm
Topic starter
Why is the copper tube of a solar water heater painted black from outside?
1 Answer
0
04/08/2021 12:55 pm
Copper tube of solar water heater is painted black because black colour is good absorber of heat.