Civil Engineering MCQJE Level Civil Engineering
Exam-level numerical: Hydrostatic pressure at 3 m depth in water is nearest:
Fluid MechanicsHydraulics, Hydrology and IrrigationMEDIUM
Choose the correct answer
A
294.3 kPa
B
3 kPa
C
2.9 kPa
D
29.4 kPa
Correct Answer
D. 29.4 kPa
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Hydrostatic pressure at depth h: p = ρgh = γh. For water, ρ = 1000 kg/m³, g = 9.81 m/s², γ = 9.81 kN/m³. At 3 m depth: p = 1000 × 9.81 × 3 = 29430.0 Pa = 29.4 kPa. Hydrostatic pressure acts equally in all directions (Pascal's law) and increases linearly with depth.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.