SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Fluid Mechanics Pressure Measurement Pressure Measuring Instruments
Which tube is called the piezometer tube?
1
Sufficient length tube and closed to atmosphere and containing mercury
2
Sufficient length tube and closed to atmosphere
3
Sufficient length tube with bends and open to atmosphere
4
Sufficient length tube and open to atmosphere