problem 1: describe the solar water heating system.
problem 2: How solar hot water collectors are safe guarded against the freezing.
problem 3: describe the principle of working solar cooker and describe its working in detail with proper diagrams.
problem 4: Illustrate the principle of solar pond and describe solar pond system.
problem 5: describe the technique of solar desalinization of brine water.
problem 6: What do you mean by energy conservation? Propose the ways to conserve energy.
problem 7: describe the energy management system in developing country.