Q. Angular momentum is proportional to __________

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Q. Which is the cheapest device for measuring flow / discharge rate.

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Q. The principle of Orificemeter is same as that of Venturimeter.

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Q. What is the relationship between Orificemeter diameter and pipe diameter

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Q. The Orificemeter readings are more accurate than Venturimeter.

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Q. The Orificemeter readings are more accurate than Pitot tube readings.

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Q. The Orificemeter has a smooth edge hole.

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Q. A nanometre is connected to a section which is at a distance of about 4 to 6 times the pipe diameter upstream from orifice plate.

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Q. Venturimeter is based on integral form of Euler’s equation.

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Q. Orifice Meter can only be used for measuring rate of flow in open pipe like structure.

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Q. Orifice meter consists of a flat rectangular plate.

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Q. Which forces are neglected to obtain Euler’s equation of motion from Newton’s second law of motion?

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Q. Navier-Stoke’s equation can be obtained from Reynolds’s equation by not considering which type of force?

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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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