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RRB Junior Engineer / DMS / CMA 2019 · Question 3462 of 3719

Which of the following is equal to a pressure of 25 m head of water? (Take g = 9.8 m/s )

  1. A25 kN/m 2
  2. B2500 kN/m 2
  3. C245 kN/m 2Correct
  4. D2.5 kN/m 2

Answer: C. 245 kN/m 2

Explanation

Concept: The pressure head of water is givena s, P = ρgh where, ρ = density of water, h = height of head Calculation Given: ρ = 1000 kg/m 3, h = 25 m Therefore, P = 1000 × 9.81 × 25 = 245.25 kN/m 2

Source: RRB JE 2019 (CBT 2) (ME) Previous Year Paper (31 Aug 2019) — prepp.in solved-paper PDF (answer key with explanations) · reliable-secondary

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