5 Questions
The change (ΔL) of the original length of a solid due to a change (ΔT) of temperature is given by which equation?
$ riangle L = L \cdot \alpha \cdot \triangle T$
The displacement of rod A is given by which equation?
$x = (\alpha_A - \alpha_B) \cdot \triangle T$
For a bimetallic thermometer, if Invar is used for strip A, what can be said about αA?
αA is virtually zero
What does r represent in the equation $r = d\theta/\alpha_B$ for a bimetallic thermometer?
Rate of bending for thinner strips
What is Invar, also known as FeNi36, notable for?
Its uniquely low coefficient of linear expansion
Learn about the fundamental principles and considerations for measuring temperature in various applications, from domestic to high-end industry. Gain insights into the importance of good sensor contact and the impact of sensor size on temperature conditions.
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