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Calculate the rate of flow of glycerin of density `1.25xx10^(3) kg m^(-3)` through the conical section of a pipe, if the radii of its ends are `0.1` m and `0.04` m and the pressure drop across its length is `10 Nm^(-2)`.

A

`6.4xx10^(-2)m^(2)s^(-1)`

B

`6.4xx10^(-4)m^(3)s^(-1)`

C

`12.8xx10^(-2)m^(3)s^(-1)`

D

`12.8xx10^(3)m^(3)s^(-1)`

Text Solution

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The correct Answer is:
B
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