Question

0.00
3.
During a temperature measurement using bimetallic strips, an aluminium rod of 12
m length at 28°C expands. Calculate the expansion when the temperature changes
from 0°C to 120°C? Assume the thermal expansion coefficient for aluminium as
25*10*°C.​

Answer 1

Answer:

LEARNING OBJECTIVES

By the end of this section, you will be able to:

Define and describe thermal expansion.

Calculate the linear expansion of an object given its initial length, change in temperature, and coefficient of linear expansion.

Calculate the volume expansion of an object given its initial volume, change in temperature, and coefficient of volume expansion.

Calculate thermal stress on an object given its original volume, temperature change, volume change, and bulk modulus.