ISRO Mechanical & Aerospace 2010 - Question 75

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[Image Question - Manometer] In the given figure pressure p, in kPa, is

Figure for question 75, ISRO Mechanical & Aerospace 2010

  • A. 37
  • B. 48.0
  • C. 45.2
  • D. 51.3

Answer: A. 37

Explanation: Manometer calculation: $P_{gauge} + \rho_{w} g h - \rho_{Hg} g H = 0$. $P = 13.6(9.81)(0.3) - 1(9.81)(0.3) \approx 37$ kPa.

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