Along a streamline flow of fluid _______________.

The velocity of all fluid particles at a given instant is constant

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The speed of a fluid particle remains constant

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The velocity of all fluid particles crossing a given position is constant

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The velocity of a fluid particle remains constant

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Solution

The correct option is C The velocity of all fluid particles crossing a given position is constant
Along a streamline, $A v = c o n s t a n t$ . This means that at a particular cross-section, the velocity of all fluid particles is constant. Hence, we can say that the velocity of all fluid particles crossing a given position is constant.

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