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The flow rate from a tap of diameter 1.2...

The flow rate from a tap of diameter `1.25 cm` is `3` L//min. The coefficient of viscosity of water is `10^(-3)` pa-s. Characterize the flow.

A

stream line

B

turbulent

C

a and b

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
`R=(rhoVd)/(eta)`
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The flow rate of water from a tap of diameter 1.25 cm is 0.48 L//mi n . The coefficient of viscosity of water is 10^(-3) Pa-s . After sometime, the flow rate is increased to 3L//mi n . Characterise the flow for both the flow rates.

The flow rate of water from a tap of diameter 1.25cm is 0.48 L/min. The coefficient of viscosity of water is 10^(-3) PaS. After sometimes the flow rate is increased to 3L/min. Characterise the flow for both the flow rates.

Knowledge Check

  • The water flows form a tap of diameter 1.25 cm with a rate of 5xx10^(-5) m^(3) s^(-1). The density and coefficient of viscosity of water are 10^(3)kg m ^(-3) and 10^(-3) Pa. s respectively. The flow of water is

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    B
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    C
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    D
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  • Water is flowing through a cylindrical pipe of diameter 1.5 m. The coefficient of viscosity of water is 80 Ns//m^2 and the Reynold's number is 1500. What is the maximum velocity of water, to avoid a turbulent flow?

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    60 m/s
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    C
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  • The speed at which the flow of water in a long cylindrical pipe of diameter 2 cm becaomes turbulent is (The viscosity of water =1 xx10^(-3) Pa. s and for the onset of turbulent flow in a long cylindrical pipe, Reynolds number =3000)

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    B
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    C
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    D
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