Advertisements
Advertisements
Question
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
Solution
The diagram is to show how the given strip bends and cools. Due to heating, the copper bends more than invar due to the high coefficient of linear expansion of copper.
APPEARS IN
RELATED QUESTIONS
Iron rims are heated before they are fixed on the wooden wheels.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
A metal plate is heated. State three factors on which the increase in its area will depend.
Water is heated from 0°C to 4°C. Will it expand?
An iron washer is heated State the effect on its density.
Distinguish between a clinical and a laboratory thermometer.
Define the following term:
Coefficient of cubical expansion
Give reasons for the following:
Telephone wires sag in summer.