Q. A simple manometer containing mercury is used to measure pressure of oil (sp. gr. 0.8) flowing in a pipe as shown below. Mercury level in open tube is 150 mm higher than that on left limb. If height of oil in left limb is 90 mm, determine the pressure in terms of head of water in a pipe.
✅ Correct Answer: (A)
19.306 kN/m3