ISRO Mechanical & Aerospace 2012 - Question 19

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Air at 20 C and 10^5 Pa enters the bottom of an angle of 85 degree conical flow meter duct at 0.3 kg/s. Estimate the weight of the body in Newton's

Figure for question 19, ISRO Mechanical & Aerospace 2012

  • A. 2.5N
  • B. 1N
  • C. 3.5N
  • D. 4N

Answer: A. 2.5N

Explanation: Force balance using momentum equation yields approx 2.5N.

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