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Questions and Answers
What happens to the area of a circular plug with increasing temperature?
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?
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?
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?
Which substance does not follow the general rule of expanding with increasing temperature?
At what temperature is water densest according to the text?
At what temperature is water densest according to the text?
What happens when water near the surface of a pond cools down to 4°C?
What happens when water near the surface of a pond cools down to 4°C?
What is the relationship between the change in volume of Block B and the change in volume of Block A?
What is the relationship between the change in volume of Block B and the change in volume of Block A?
How does the change in cross-sectional area of Block B compare to the change in cross-sectional area of Block A?
How does the change in cross-sectional area of Block B compare to the change in cross-sectional area of Block A?
How does the change in height of Block B compare to the change in height of Block A?
How does the change in height of Block B compare to the change in height of Block A?
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?
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?
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?
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?
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?
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?
What is the formula used to determine the amount of liquid spilled?
What is the formula used to determine the amount of liquid spilled?
What is the effect of tightly capping the tank to prevent overflow?
What is the effect of tightly capping the tank to prevent overflow?
What is the purpose of the air gaps in rigid containers?
What is the purpose of the air gaps in rigid containers?
If the temperature changes, what is the relationship between the change in volume of Block A and Block B?
If the temperature changes, what is the relationship between the change in volume of Block A and Block B?
What is the relationship between the change in cross-sectional area $l \times w$ and the change in height $h$ for the two blocks?
What is the relationship between the change in cross-sectional area $l \times w$ and the change in height $h$ for the two blocks?
What is the significance of the amount of liquid spilled, as mentioned in the discussion?
What is the significance of the amount of liquid spilled, as mentioned in the discussion?
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