Assertion: A brass disc is just fitted i...

Assertion: A brass disc is just fitted in a hole in steel plate. The system must be cooled to loosen the disc from the hole. Reason: The coefficient of linear expansion for brass is greater than the coefficient of linear expansion for steel

Assertion is True, Reason is True Reason is a correct explanation for Assertion.

Assertion is True, Reason is True Reason is not a correct explanation for Assertion.

Assertion is True Reason is False.

Assertion is False, Reason is False.

Text Solution

Verified by Experts

Topper's Solved these Questions

Sound
TARGET PUBLICATION|Exercise Exercise|248 Videos

Similar Questions

Explore conceptually related problems

A brass disc fits simply in a hole of a steel plate. The disc from the hole can be loosened if the

Two metal rods has lengths in the ratio 3:2 and coefficient of linear expansion are in the ratio 2:3 . If they are heated from 35^@ C to 95^@C , then ratio of their linear expansion is

A sheet of brass 50 cm long and 8cm broad at 0^@C . If the surface area at 100^@C is 401.57cm^2 , find the coefficient of linear expansion of brass

By how much will a steel bar one metre long expand when heated from 25^@C to 55^@C ? The coefficient of volume expansion of steel is 3 xx 10^-5//^@C .

A steel wire 2 mm in diameter is just stretched between two fixed points at a temperature of 20^(@)C. If the temperature falls to 10^(@)C, then the tension in the wire is (The coefficient of linear expansion of steel = 11xx10^(-6)//^(@)C and Y for steel 2.1 xx10^(11)N//m^(2))

Solve the following problems : The length of the great belt bridge in denmark is 18 km . This length increases by 4.7 m in summer . Considering that the bridge is made up of steel , what is the change in temperature occuring in denmark during summer ? [ Coefficient of linear expansion for steel( λ_steel) = 11.5 x 10^5 (1/ ⁰C)

An external pressure P is applied on a cube at 0^@C so that it is equally compressed from all sides. K is the bulk modulus of the material of the cube and alpha is its coefficient of linear expansion. Suppose we want to bring the cube to its original size by heating. The temperature should be raised by:

Solve the following problems : What will be the increase in length of a steel rod of length 0.5 m , when its temperature is increased by 60 ⁰C ? The coefficient of linear expansion of steel is 0.000013 ( 1/⁰C) .

Two rods, one of aluminum and the other made of steel, having initial length l_1 and l_2 are connected together to form a single rod of length l_1 + l_2 . The coefficients of linear expansion for aluminum and steel are alpha_a, and alpha_s, respectively. If the length of each rod increases by the same amount when their temperature are raised by t^@C , then find the ratio l_1/(l_1 + l_2)

TARGET PUBLICATION-Thermal Properties of Matter-Exercise

Two identical blocks of ice move in opposite directions with equal spe...
Text Solution
|
A 15kW drilling machine is used to drill a bore in a small aluminium b...
Text Solution
|
When a body has the same temperature as that of its surroundings
Text Solution
|
A body takes 8 min to cool from 60^@ C to 50^@C. If the temperature of...
Text Solution
|
How much steam at 100^@C will just melt 1600 g of ice at -8^@C? (Spec...
Text Solution
|
Assertion: A brass disc is just fitted in a hole in steel plate. The s...
Text Solution
|
The coefficient of thermal conductivity of copper is nine times that o...
Text Solution
|
Two beakers A and B are filled to the brim with water a 4^@C. When A i...
Text Solution
|
The length of a wire is lA when the tension in it is TA and of another...
Text Solution
|
A flask of volume 4000 cc is completely filled with mercury at 0^@C. T...
Text Solution
|
A balloon contains 600 m^3 of helium a 37^@C and atmospheric pressure....
Text Solution
|
The two on pieces A and B appear red and yellow respectively when plac...
Text Solution
|
Expansion during heating
Text Solution
|
What is the temperature of the triple-point of water on an absolute sc...
Text Solution
|
Newton's law of cooling is used in laboratory for the determination of...
Text Solution
|
A body of length l m having cross-sectional area 0.75 m^2 conducts hea...
Text Solution
|
Pressure at the triple point of water is
Text Solution
|
For a certain gas the ratio of specific heats is 3/2. What is the valu...
Text Solution
|
When a metal rod is heated it expands because
Text Solution
|
A hot ball of iron weighing 200 g is dropped into 500 g of water at 10...
Text Solution
|