engineering recuitment HPCL Junior Executive 2025 Mock Test Fluid Mechanics Pressure Measurement Absolute Pressure
An oil of specific gravity 0.9 contained in a vessel. At a point the height of oil is 40 m and for the density of water = 1000 kg/m3, the corresponding height of water at the point will be
1
28 m
2
32 m
3
36 m
4
40 m