TGPSC HMWSSB Manager 2015 Paper 2 · Question 69

Question 69 of the TSPSC Manager (Engineering), HMWSSB, 2015: Paper 2 (Civil Engineering) (1 November 2015). Try it first, then open the answer and explanation.

1. Manager 2015 Paper 2 (Civil) · Q69 · Fluid Mechanics & Hydraulics · Fluid Mechanics

   The Bernoulli's equation is written with usual notation as p/γ + v²/2g + z = Constant. In this equation each of the terms represents

   1. Energy in kg.m/kg mass of fluid
   2. Energy in Nm/kg mass of fluid
   3. Energy in Nm/N weight of fluid
   4. Energy in KW/kg mass of fluid
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   Answer: (3) Energy in Nm/N weight of fluid

   In this form every term has the unit of length (m), i.e. energy per unit weight (N·m/N), which is why the terms are called heads.

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