Home
Class 11
PHYSICS
A horizontal pipeline carrying gasoline ...

A horizontal pipeline carrying gasoline has a cross-sectional diameter of 5 mm. If the viscosity and density of the gasoline are `6xx10^(-3)` poise and 720 `kg//m^(3)` respectively, the velocity after which the flow becaomes turbulent is

A

`gt 1.66 m//s`

B

`gt 3.33 m//s`

C

`gt 1.6 xx10^(-3) m//s`

D

`gt 0.33 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

A current of 5 A is passing through a metallic wire of cross-section area 4 xx 10^-6 m^2 . If the density of the charge carries in the wire is 5 xx 10^36 //m^3 , the drift velocity of the electrons is.

A non-viscous liquid of constant density 500 kg//m^(3) flows in a variable cross-sectional tube. The area of cross section of the tube at two points P and Q at heights of 3 m and 6 m are 2 xx 10^(-3) m^(3) and 4 xx 10^(-3) m^(3) , respectively. Find the work done per unit volume by the forces of gravity as the fluid flows from point P to Q .

A current of 4.8 A is flowing in a copper wire of cross-sectional area 3xx10^(-4) m^(2) . Find the current density in the wire.

A hemispherical bowl just floats without sinking in a liquid of density 1.2xx10^(3)kg//m^(3) . If outer diameter and the density of the bowl are 1m and 2 xx 10^(4) kg//m^(3) respectively, then the inner diameter of bowl will be

A horizontal pipe of area of cross-section a and 3a respectively, then the ratio of velocity of flow at two different cross-section (If flow is streamline) is

A current 0.5 amperes flows in a conductor of cross-sectional area of 10^(-2) m^2 . If the electron density is 0.3 * 10^(28) m^(-3) , then the drift velocity of free electrons is

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 current of "1.6A" is flowing through "h" wire having cross- sectional area 1mm^(2) .If density of free electrons in the material of the wire is 10^(29) per m^(3) ,the drift velocity of electrons will be:-

TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (COMPETITIVE THINKING)
  1. The dimensions of Reynold’s constant are

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. The working of venturimeter is based on

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. A bullet of mass 50 g moving horizontally with a velocity 210 ms^(-1) ...

    Text Solution

    |