Comments and Discussions
You don't need to login to post your comment
1. Stopcock
2. Goose neck
3. Ferrule
4. Water meter
The correct statement of these connections is :
[A]. 1, 2, 3, 4
[B]. 3, 1, 2, 4
[C]. 3, 2, 1, 4
[D]. 1, 2, 4, 3
You don't need to login to post your comment