Q. In order to apply Bernoulli’s equation across two sections, we have to obtain it from Euler’s equation. What is the operation that needs to be carried out in order to obtain it from Euler’s equation?

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Q. Which of the following assumption is incorrect in the derivation of Bernoulli’s equation?

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Q. From mathematical perspective if for a fluid curl of velocity vector is some constant value, it is ideal, steady and incompressible, then we can apply Bernoulli’s equation.

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Q. If in a fluid, while applying Newton’s second law of motion, compressibility force is neglected then what equation is obtained?

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Q. According to statement of Bernoulli’s theorem if Kinetic or Potential Energy is changing then overall energy changes and hence energy is not constant at all the places.

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Q. In derivation for Euler’s equation, the weight of fluid element is considered as negligible and ignored in calculation.

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Q. Water is flowing through a pipe of 3.8 cm diameter under a pressure of 20 N/cm² (gauge) and with mean velocity of 3.7 m/s. Find the total head or total energy per unit weight of the water at a cross section, which is 7 m above the datum line.

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Q. A fluid with specific gravity 0.85 is flowing through a diameter 250 mm and 150 mm at the bottom and upper ends respectively. Determine the difference in datum head if the rate of flow through pipe is 0.04 m³/s. Take pressure at top and bottom as 27 N/cm² and 10 N/cm².

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Q. The below figure shows a pipe with a circular cross section of diameter 5 cm on the left end and a square cross section with diagonal 5 cm on the right end. Water enters the left end with a velocity 20 m/s and leaves the right end with a velocity V₂. Find V₂ (neglect losses in the pipe).

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Q. In the below equation, the unit of E CANNOT be written as ______

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