1.What are the different types of stress that a structural element could be subjected to at different cases of loading?
2.In order for a shower head to produce a 2.5 gpm flow for 120?F water, what pressure (psi) is needed at the hot water tank if the shower head elevation above the hot water tank is 28 ft? The pipe diameter is 1-in, and assume that the shower head has an effective diameter of 2-in. Neglect friction.