Volume Expansion and Thermal Expansion Quiz

Play an AI-generated podcast conversation about this lesson

What happens to the area of a circular plug with increasing temperature?

Increases (correct)

Decreases

Becomes irregular

Remains constant

What effect does the removal of a plug have on the hole it leaves?

The hole shrinks

The hole becomes larger (correct)

The hole remains the same size

The hole becomes irregular

What is the coefficient of volume expansion represented by in the equation ΔV = 3αVΔT?

γ

β (correct)

θ

σ

Which substance does not follow the general rule of expanding with increasing temperature?

Water Signup and view all the answers

At what temperature is water densest according to the text?

+4°C Signup and view all the answers

What happens when water near the surface of a pond cools down to 4°C?

It sinks to the bottom Signup and view all the answers

What is the relationship between the change in volume of Block B and the change in volume of Block A?

The change in volume of Block B is four times the change in volume of Block A. Signup and view all the answers

How does the change in cross-sectional area of Block B compare to the change in cross-sectional area of Block A?

The change in cross-sectional area of Block B is twice the change in cross-sectional area of Block A. Signup and view all the answers

How does the change in height of Block B compare to the change in height of Block A?

The change in height of Block B is twice the change in height of Block A. Signup and view all the answers

A copper bar that is 80 cm long at 15°C is heated to 35°C. What is the increase in the length of the bar?

0.08 cm Signup and view all the answers

A steel plate has a hole with a diameter of 0.99970 cm at 30°C. What temperature must the plate be heated to in order to allow a copper cylinder with a diameter of 1.00000 cm at 30°C to slide into the hole?

60°C Signup and view all the answers

A copper rod is 20 cm longer than an aluminum rod at a certain temperature. What should the length of the copper rod be if the difference in their lengths is to be independent of temperature?

60 cm Signup and view all the answers

What is the formula used to determine the amount of liquid spilled?

$V_{spill} = (\beta_{gas} - \beta_{s}) V \Delta T$ Signup and view all the answers

What is the effect of tightly capping the tank to prevent overflow?

It will cause the tank to burst due to the expansion of the gas. Signup and view all the answers

What is the purpose of the air gaps in rigid containers?

To allow the container to expand and contract without stressing the material. Signup and view all the answers

If the temperature changes, what is the relationship between the change in volume of Block A and Block B?

The change in volume of Block B is four times the change in volume of Block A. Signup and view all the answers

What is the relationship between the change in cross-sectional area $l \times w$ and the change in height $h$ for the two blocks?

The change in cross-sectional area and the change in height are the same for both blocks. Signup and view all the answers

What is the significance of the amount of liquid spilled, as mentioned in the discussion?

The amount of liquid spilled is significant, particularly for a 60.0-L tank. Signup and view all the answers