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The average time required by water to pass through the settling tank is called _______
- a)Detention time
- b)Flowing through period
- c)Time of flow
- d)Mean time
Correct answer is option 'B'. Can you explain this answer?
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The average time required by water to pass through the settling tank i...
Explanation: The average time required by water to pass through the settling tank is called ‘flowing through period’ which is always less than the detention period.
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The average time required by water to pass through the settling tank i...
Detention time is the average time required by water to pass through a settling tank. It is an important parameter in the design and operation of settling tanks used in water treatment processes. The correct answer is option 'a', not 'b'.
Detention Time:
Detention time refers to the time period during which water remains in a settling tank for the sedimentation process to occur. It is calculated by dividing the volume of the settling tank by the flow rate of water passing through it. The unit of detention time is usually expressed in hours.
Importance of Detention Time:
Detention time is a critical factor in determining the efficiency of settling tanks in removing suspended solids from water. It affects the settling velocity of particles and the overall performance of the sedimentation process. By controlling the detention time, operators can optimize the removal of solids and improve the quality of the treated water.
Factors Affecting Detention Time:
Several factors influence the required detention time in a settling tank, including:
1. Flow Rate: The rate at which water flows into the settling tank affects the detention time. Higher flow rates may result in shorter detention times, reducing the efficiency of sedimentation.
2. Tank Volume: The size and volume of the settling tank directly impact the detention time. Larger tanks generally have longer detention times, allowing for better settling of suspended solids.
3. Inlet and Outlet Arrangement: The design of the inlet and outlet pipes can influence the flow pattern and detention time. Proper arrangement ensures uniform flow distribution and optimal detention time.
4. Particle Size and Concentration: The characteristics of suspended solids, such as particle size and concentration, influence settling velocity. Larger particles or higher concentrations may require longer detention times for effective sedimentation.
Conclusion:
The average time required by water to pass through a settling tank is known as detention time. It is a crucial parameter in the design and operation of settling tanks for water treatment. By controlling the detention time, operators can optimize the removal of suspended solids and improve the quality of treated water.
Detention Time:
Detention time refers to the time period during which water remains in a settling tank for the sedimentation process to occur. It is calculated by dividing the volume of the settling tank by the flow rate of water passing through it. The unit of detention time is usually expressed in hours.
Importance of Detention Time:
Detention time is a critical factor in determining the efficiency of settling tanks in removing suspended solids from water. It affects the settling velocity of particles and the overall performance of the sedimentation process. By controlling the detention time, operators can optimize the removal of solids and improve the quality of the treated water.
Factors Affecting Detention Time:
Several factors influence the required detention time in a settling tank, including:
1. Flow Rate: The rate at which water flows into the settling tank affects the detention time. Higher flow rates may result in shorter detention times, reducing the efficiency of sedimentation.
2. Tank Volume: The size and volume of the settling tank directly impact the detention time. Larger tanks generally have longer detention times, allowing for better settling of suspended solids.
3. Inlet and Outlet Arrangement: The design of the inlet and outlet pipes can influence the flow pattern and detention time. Proper arrangement ensures uniform flow distribution and optimal detention time.
4. Particle Size and Concentration: The characteristics of suspended solids, such as particle size and concentration, influence settling velocity. Larger particles or higher concentrations may require longer detention times for effective sedimentation.
Conclusion:
The average time required by water to pass through a settling tank is known as detention time. It is a crucial parameter in the design and operation of settling tanks for water treatment. By controlling the detention time, operators can optimize the removal of suspended solids and improve the quality of treated water.
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The average time required by water to pass through the settling tank is called _______a)Detention timeb)Flowing through periodc)Time of flowd)Mean timeCorrect answer is option 'B'. Can you explain this answer?
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