The following statements (S1 and S2) pertain to flow through pipes.
S1: In pipe flow, the loss of head at a sudden contraction is smaller than that at a sudden expansion.
S2 : Hydraulic grade line for flow in a pipe of constant diameter always lies above the energy grade line.
Identify the validity of statements as true/false.
1
Statement S1 is true, but S2 is false.
2
Both statements S1 and S2 are true.
3
Both statements S1 and S2 are false.
4
Statement S1 is false, but S2 is true.