Soldering Techniques 1. Explain Two Good solder Joint?
2. How to keep the work area clean?
3. Define the term tinning?
4. State the four House keeping Rules?
s. State four guidelines for soldering?
6. LIST THREE Steps for successful soldering?​

Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.