Home
Class 11
PHYSICS
The speed at which the flow of water in ...

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`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (CRITICAL THINKING)|68 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|16 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise Evaluation Test|12 Videos

Similar Questions

Explore conceptually related problems

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.

What should be the average velocity of water in a tube of diameter 0.4 cm so that the flow is (i) laminar (ii)turbulent ? The viscosity of water is 10^(-3) Nm^(-2) s .

What should be the average velocity of a water in a tube of radius 0.005m, so that the flow is just turbulent? The viscosity of water is 0.001 Pa-s.

Calculate the average velocity of water in a tube of diameter 0.3 m so that the flow is (i) laminar (ii) turbulent. The viscosity of water is 10^(-3)" Nm"^(-2)s .

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?

What should be the average velocity of water in a tube of diameter 2 cm so that the flow is (i) laminar (ii) turbulent? The viscosity of water is 0.001 Pa-s. (for water pipes Rlt 2000 stream line flow, Rgt3000 turbulent flow)

What should be the average velocity of water in a tube of radius 2.5 mm so that the flow is just turbulent? Viscosity of water is 0.001 Pa s. Hint : For flow to be just turbulent R_(e) = 2000

Water running in a cylindrical pipe of inner diameter 7 cm, is collected in a container at the rate of 192.5 litres per minute. Find the rate of flow of water in the pipe in km/hr.

Water running in a cylindrical pipe of inner diameter 7cm, is collected in a container at the rate of 192.5 litres per minute.Find the rate flow of water in the pipe in km/hr .

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.

TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (COMPETITIVE THINKING)
  1. The onset of turbulence in a liquid is determined by

    Text Solution

    |

  2. The dimensions of Reynold’s constant are

    Text Solution

    |

  3. The speed at which the flow of water in a long cylindrical pipe of dia...

    Text Solution

    |

  4. A horizontal pipeline carrying gasoline has a cross-sectional diameter...

    Text Solution

    |

  5. The water flows form a tap of diameter 1.25 cm with a rate of 5xx10^(-...

    Text Solution

    |

  6. Consider the following equation of Bernoulli's theorem. P + (1)/(2) ...

    Text Solution

    |

  7. Water flows steadily through a horizontal pipe of variable cross-secti...

    Text Solution

    |

  8. A manometer connected to a closed tap reads 4.5 xx 10^(5) pascal. When...

    Text Solution

    |

  9. A wind with speed 40 m//s blows parallel to the roof of a house. The a...

    Text Solution

    |

  10. Water is filled in a cylindrical container to a height of 3m. The rati...

    Text Solution

    |

  11. A cylindrical tank having cross-sectional area A is filled with water ...

    Text Solution

    |

  12. A cylindrical vessel of 100 cm height is kept filled upto the brim. It...

    Text Solution

    |

  13. A roller is made by joining together two cones at their vertices O, ti...

    Text Solution

    |

  14. The coefficient of static and dynamic friction between a body and the ...

    Text Solution

    |

  15. A body of mass M is resting on a rough horizontal plane surface the c...

    Text Solution

    |

  16. A plank with a box on it at one end is gradully raised about the other...

    Text Solution

    |

  17. There is a small hole at the bottom of tank filled with water. If tota...

    Text Solution

    |

  18. The working of venturimeter is based on

    Text Solution

    |

  19. In dimension of circal velocity v(0) liquid following through a take a...

    Text Solution

    |

  20. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |