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Why is large reservoir used in single column manometer?
- a)In order to enhance the change in level of liquid in reservoir
- b)In order to negate the effects of change in level due to pressure variation
- c)In order to reduce the effect due to dynamic pressure variation due to motion
- d)None of the mentioned
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Why is large reservoir used in single column manometer?a)In order to e...
Explanation: Single column manometer directly gives the pressure by measuring the height in the other limb and due to large cross sectional area of the reservoir, for any variation in pressure, the change can be neglected.
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Why is large reservoir used in single column manometer?a)In order to e...
Introduction:
A single column manometer is a simple device used to measure pressure differences. It consists of a U-shaped tube partially filled with a liquid, usually mercury or water, and is connected to the system whose pressure difference is to be measured. The liquid in the U-tube rises or falls depending on the pressure difference between the two ends.
Explanation:
The purpose of using a large reservoir in a single column manometer is to negate the effects of changes in the liquid level due to pressure variation. Here's why:
1. Pressure Variation:
When pressure is applied to one end of the manometer, the liquid level in the U-tube changes. This change in liquid level is directly proportional to the pressure difference. However, the liquid level may also change due to other factors such as temperature variations or dynamic pressure variations caused by motion.
2. Negating the Effects:
By using a large reservoir, the effects of pressure variations caused by factors other than the pressure difference being measured can be minimized. When the reservoir is large, it holds a significant amount of liquid, and any changes in the liquid level due to external factors have a negligible effect on the overall liquid level.
3. Stability and Accuracy:
A large reservoir provides stability to the manometer by preventing rapid changes in the liquid level. This stability allows for more accurate and consistent pressure measurements. It also reduces the need for frequent adjustments or recalibrations of the manometer.
4. Enhancing the Pressure Difference:
Using a large reservoir also enhances the change in the liquid level of the manometer. When the pressure difference is small, the change in liquid level may be minimal. However, with a large reservoir, even small pressure differences can cause a noticeable change in the liquid level, making it easier to read and interpret the results.
Conclusion:
In summary, a large reservoir is used in a single column manometer to negate the effects of changes in the liquid level due to pressure variations caused by factors other than the pressure difference being measured. It provides stability, enhances the pressure difference, and improves the accuracy and consistency of pressure measurements.
A single column manometer is a simple device used to measure pressure differences. It consists of a U-shaped tube partially filled with a liquid, usually mercury or water, and is connected to the system whose pressure difference is to be measured. The liquid in the U-tube rises or falls depending on the pressure difference between the two ends.
Explanation:
The purpose of using a large reservoir in a single column manometer is to negate the effects of changes in the liquid level due to pressure variation. Here's why:
1. Pressure Variation:
When pressure is applied to one end of the manometer, the liquid level in the U-tube changes. This change in liquid level is directly proportional to the pressure difference. However, the liquid level may also change due to other factors such as temperature variations or dynamic pressure variations caused by motion.
2. Negating the Effects:
By using a large reservoir, the effects of pressure variations caused by factors other than the pressure difference being measured can be minimized. When the reservoir is large, it holds a significant amount of liquid, and any changes in the liquid level due to external factors have a negligible effect on the overall liquid level.
3. Stability and Accuracy:
A large reservoir provides stability to the manometer by preventing rapid changes in the liquid level. This stability allows for more accurate and consistent pressure measurements. It also reduces the need for frequent adjustments or recalibrations of the manometer.
4. Enhancing the Pressure Difference:
Using a large reservoir also enhances the change in the liquid level of the manometer. When the pressure difference is small, the change in liquid level may be minimal. However, with a large reservoir, even small pressure differences can cause a noticeable change in the liquid level, making it easier to read and interpret the results.
Conclusion:
In summary, a large reservoir is used in a single column manometer to negate the effects of changes in the liquid level due to pressure variations caused by factors other than the pressure difference being measured. It provides stability, enhances the pressure difference, and improves the accuracy and consistency of pressure measurements.
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Why is large reservoir used in single column manometer?a)In order to enhance the change in level of liquid in reservoirb)In order to negate the effects of change in level due to pressure variationc)In order to reduce the effect due to dynamic pressure variation due to motiond)None of the mentionedCorrect answer is option 'B'. Can you explain this answer?
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