Q. The continuity equation is only applicable to incompressible fluid.

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Q. For incompressible fluid flow, if area reduces then what is the effect on the velocity.

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Q. For compressible fluid flow in a pipe, having decrease in specific gravity what will be the effect of decrease in diameter?

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Q. What is the most common assumption while dealing with fluid flow problems using continuity equation?

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Q. The diameters of a pipe at the sections 1 and 2 are 8 cm and 13 cm respectively. Find the discharge through pipe if the velocity of water flowing through the pipe at section 1 is 6 m/s. Determine also the velocity at section 2.

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Q. The continuity equation can only be used for analysis of conserved quantity.

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Q. The diameter of a pipe at the section 1 is 9 cm. If the velocity of water flowing through the pipe at section 1 is 4.8 m/s and section 2 is 9 m/s, Determine the area at section 2.

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Q. For a flow to be physically possible it must primarily satisfy which equation?

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Q. Continuity equation can also be derived for polar coordinate system

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Q. The velocity vector in a fluid is given V=5x⁴+3y²+2z( in metre/sec). What is the acceleration of it at point (1,3,4) ?

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Q. Determine the third velocity component such that continuity equation is satisfied if two components are u=2y², w=2xyz.

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Q. Determine the third velocity component such that continuity equation is satisfied if two components are u=x²+y²+z², v=xy² – yz² + xy.

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Q. A fluid flow field is given by

V=x²yi+y²z-(2xyz+yz)k

Calculate it’s acceleration at the point (1,3,5)

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Q. A fluid flow field is given by

V=y²xi+z²x-(2xyz+yz)k

Calculate it’s acceleration at the point (2,4,4)

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Q. Convective acceleration cannot be found if the fluid flow equation is not satisfying the continuity equation but local acceleration can be found.

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Q. Local acceleration has constant value for a steady flow.

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Q. Total acceleration has the same value as convective acceleration in case of unsteady flow.

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Q. Which equation must be perfunctorily satisfied while dealing with fluid flow problems?

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Q. Convective acceleration is defined as the rate of change of velocity due to change of velocity with respect to time.

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Q. When fluid element moves from one position to another, what type of motion is it?

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