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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

Turbulent

B

Stream line

C

Turbulent or Stream line

D

Steady

Text Solution

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The correct Answer is:
A
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Water flow at a speed of 7cm s^(-1) through a pipe of tube of radius 1.5 cm . What is the nature of the flow ? Cofficient of viscosity of water is 10^(-3) kg m^(-1) s^(-1) and its density is 10^(3) kg m^(-3)

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

    A
    steady with Reynold's number 5100
    B
    turbulent with Reynold's number 5100
    C
    steady with Reynold's number 3900
    D
    turbulent with Reynold's number 3900

  • 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?

    A
    60 m/s
    B
    80 m/s
    C
    100 m/s
    D
    40 m/s

  • 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)

    A
    `0.6m//s`
    B
    `0.45 m//s`
    C
    `0.3 m//s`
    D
    `0.15 m//s`