Section 4: Soil and Water Conservation Engineering
Fluid Mechanics
Subtopic: Hydrostatic pressure and its measurement
Question Statement:
A differential mercury manometer connected across two points on a pipe carrying oil shows a 20 cm mercury-level difference. Specific gravity of oil = 0.8, mercury = 13.6; ρwater=1000 kg/m³ at 4°C, g=9.81 m/s². Find the pressure difference at the two points (N/m²).