Home
Class 11
PHYSICS
A brass disc fits snugly in a hole in a ...

A brass disc fits snugly in a hole in a steel plate. Should you heat or cool this system to losen the disc from the hole ? given that `alpha _b gt alpha _Fe`.

A

First heated then cooled

B

First cooled then heated

C

Is heated

D

Is cooled

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Calorimetery|82 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Critical Thinking|27 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Self Evaluation Test|15 Videos

  • THERMODYNAMICS

    ERRORLESS |Exercise All Questions|304 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise ET Self Evaluation Test|23 Videos

Similar Questions

Explore conceptually related problems

A brass disc fits snugly in a hole in a steel plate. Shou,d you heat or cool tyhe system to losen the disc from the hole ? given that alpha _b gt alpha _Fe .

The brass disc fits singly in a hole in a steel plate. To loose the disk from hole

A brass dise fits into a hole in an iron plate. To remove the disc.

Statement-1: A brass disc is just fitted in a hole in a steel plate. The system mst be cooled to loosen the disc from the hole Statement-2: The coefficient of linear expansion for brass is greater than the coefficient of linear expansion for steel.

A Brass stopper snugly fits in the hole of steel plate.To remove the stopper easily, the system (A) should be heated (B) should be cooled (C) may be heated or cooled (D) can not be removed by heating or cooling

A 1.5 kg steel sphere will not fit through a circular hole in a 0.85 kg aluminium plate, because the radius of the sphere is 0.10% larger than the radius of the hole. If both the sphere and the plate are always kept at the same temperature, how much heat must be put into the two so the ball just passes through the hole ?

A linear accelerator consists of a hundred brass discs tightly fitted into a steel tube. At 40^(@)C the diameter of each disc is 10.02 cm. The system is assembled by cooling the discs in dry ice at -60^(@)C to enable them to slide into the close fitting tube. if the coefficient of linear expansion of brass is 2xx10^(-5).^(@)C^(-1) , the diameter of each disc in dry ice will be

A uniform disc of radius r is to be suspended through a small hole made in te disc. Find the minimum possible time period of the disc for small oscillations. What should be the distance of the hole from the centre for it to have minimum time period?

Determine the hight above the dashed line XX' attained by the water stream coming out through the hole is situtade at point B in the diagram given below. Given that h=10 m, L=2 m and alpha =30^(@) .

ERRORLESS -THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY -Thermal Expansion
  1. At some temperature T, a bronze pin is a little large to fit into a ho...

    Text Solution

    |

  2. If the length of a cylinder on heating increases by 2%, the area of it...

    Text Solution

    |

  3. The volume of a gas at 20^(@)C is 100 cm at normal pressure. If it is ...

    Text Solution

    |

  4. The coefficient of superficial expansion of a solid is 2xx10//.^(@)C. ...

    Text Solution

    |

  5. The density of a substance at 0^(@)C is 10 g//c c and at 100^(@)C, its...

    Text Solution

    |

  6. Coefficient of apparent expansions of mercury is 0.18 xx 10^(-3)//^(0)...

    Text Solution

    |

  7. The real coefficient of volume expansion of glycerine is 0.000597per^(...

    Text Solution

    |

  8. A beaker filled with water at 4 .^(@)C over flows if the temperature o...

    Text Solution

    |

  9. The volume of a metal sphere increases by 0.24% when its temperature i...

    Text Solution

    |

  10. The ratio among coefficient of volume expansion, superficial expansion...

    Text Solution

    |

  11. If on heating liquid through 80^(@)C, the mass expelled is (1//100)^(t...

    Text Solution

    |

  12. In cold countries, water pipes sometimes burst, because

    Text Solution

    |

  13. A thin cylindrical metal rod is bent into a ring with a small gap as s...

    Text Solution

    |

  14. The length of a metallic rod is 5 m at 0^(@)C and becomes 5.01 m , on ...

    Text Solution

    |

  15. A metal rod of silver at 0^(@)C is heated to 100^(@)C . It's length is...

    Text Solution

    |

  16. A brass disc fits snugly in a hole in a steel plate. Should you heat o...

    Text Solution

    |

  17. A metallic bar is heated from 0^(@)C to 100^(@)C. The coefficient of l...

    Text Solution

    |

  18. If a cylinder of diameter 1.0cm at 30^(@)C is to be slid into a hole o...

    Text Solution

    |

  19. The temperature of water at the surface of a deep lake is 2^@C. The te...

    Text Solution

    |

  20. Two rods, one of aluminium and other made of steel, having initial len...

    Text Solution

    |