Civil Engineering MCQJE Level Civil Engineering
Steel-yard check: Hydrostatic pressure at 20 m depth in water is nearest:
Fluid MechanicsHydraulics, Hydrology and IrrigationMEDIUM
Choose the correct answer
A
196.2 kPa
B
1962 kPa
C
20 kPa
D
19.6 kPa
Correct Answer
A. 196.2 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 20 m depth: p = 1000 × 9.81 × 20 = 196200.0 Pa = 196.2 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.