The following statements (S1, S2, and S3) pertain to the Orifice meter used for flow measurement. Choose the correct statement(s).
S1: Orifice meter is the equipment used for measuring the velocity of flow through the open channels and pipelines.
S2: Practical application of Bernoulli's theorem is made use of in an Orifice meter.
S3: Head loss in an orifice meter is very small when compared to a Venturimeter used for flow measurement.
1
S2 only
2
S1 and S3 only
3
S1 only
4
S3 only