Mechanical Engineering Exam > Mechanical Engineering Questions > To avoid vaporisation in the pipe line, the p...
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To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.
- a)2.4 m above the hydraulic gradient
- b)6.4 m above the hydraulic gradient
- c)10.0 m above the hydraulic gradient
- d)5.0 m above the hydraulic gradient
Correct answer is option 'B'. Can you explain this answer?
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To avoid vaporisation in the pipe line, the pipe line over the ridge i...
In order to avoid vaporization in the pipe line, the pipe line over the ridge is laid in such a way that it is not more than 6.4 m above the hydraulic gradient.
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To avoid vaporisation in the pipe line, the pipe line over the ridge i...
Introduction:
In a pipeline system, vaporization can occur due to the pressure drop along the pipeline. This vaporization can lead to problems such as cavitation, which can cause damage to the pipeline and reduce its efficiency. To avoid vaporization, the pipeline is laid at a certain height above the hydraulic gradient.
Explanation:
The hydraulic gradient is the slope of the hydraulic grade line, which represents the energy or pressure in the pipeline system. To avoid vaporization in the pipeline, it is important to ensure that the pressure in the pipeline does not drop below the vapor pressure of the fluid being transported.
Importance of pipeline height:
The height at which the pipeline is laid above the hydraulic gradient determines the pressure difference between the fluid in the pipeline and the surrounding atmosphere. This pressure difference affects the vaporization potential in the pipeline.
Maximum height to avoid vaporization:
Option B states that the pipeline should not be laid more than 6.4 m above the hydraulic gradient to avoid vaporization. This means that the pressure in the pipeline should not drop more than the equivalent pressure of a 6.4 m column of fluid.
Reason behind the maximum height limit:
If the pipeline is laid too high above the hydraulic gradient, the pressure drop along the pipeline will be significant. This pressure drop can cause the pressure in the pipeline to drop below the vapor pressure of the fluid. When this happens, the fluid will start to vaporize, leading to cavitation and other related issues.
Other options:
Option A states that the maximum height should be 2.4 m above the hydraulic gradient. This limit may not be sufficient to prevent vaporization in all cases, especially if the pressure drop along the pipeline is significant.
Option C states that the maximum height should be 10.0 m above the hydraulic gradient. This limit may be unnecessarily conservative and may result in higher construction costs for the pipeline.
Option D states that the maximum height should be 5.0 m above the hydraulic gradient. This limit is lower than option B and may not provide sufficient safety margin to prevent vaporization.
Conclusion:
To avoid vaporization in the pipeline, it is recommended to lay the pipeline at a height not more than 6.4 m above the hydraulic gradient. This limit ensures that the pressure in the pipeline does not drop below the vapor pressure of the fluid, preventing vaporization and related issues.
In a pipeline system, vaporization can occur due to the pressure drop along the pipeline. This vaporization can lead to problems such as cavitation, which can cause damage to the pipeline and reduce its efficiency. To avoid vaporization, the pipeline is laid at a certain height above the hydraulic gradient.
Explanation:
The hydraulic gradient is the slope of the hydraulic grade line, which represents the energy or pressure in the pipeline system. To avoid vaporization in the pipeline, it is important to ensure that the pressure in the pipeline does not drop below the vapor pressure of the fluid being transported.
Importance of pipeline height:
The height at which the pipeline is laid above the hydraulic gradient determines the pressure difference between the fluid in the pipeline and the surrounding atmosphere. This pressure difference affects the vaporization potential in the pipeline.
Maximum height to avoid vaporization:
Option B states that the pipeline should not be laid more than 6.4 m above the hydraulic gradient to avoid vaporization. This means that the pressure in the pipeline should not drop more than the equivalent pressure of a 6.4 m column of fluid.
Reason behind the maximum height limit:
If the pipeline is laid too high above the hydraulic gradient, the pressure drop along the pipeline will be significant. This pressure drop can cause the pressure in the pipeline to drop below the vapor pressure of the fluid. When this happens, the fluid will start to vaporize, leading to cavitation and other related issues.
Other options:
Option A states that the maximum height should be 2.4 m above the hydraulic gradient. This limit may not be sufficient to prevent vaporization in all cases, especially if the pressure drop along the pipeline is significant.
Option C states that the maximum height should be 10.0 m above the hydraulic gradient. This limit may be unnecessarily conservative and may result in higher construction costs for the pipeline.
Option D states that the maximum height should be 5.0 m above the hydraulic gradient. This limit is lower than option B and may not provide sufficient safety margin to prevent vaporization.
Conclusion:
To avoid vaporization in the pipeline, it is recommended to lay the pipeline at a height not more than 6.4 m above the hydraulic gradient. This limit ensures that the pressure in the pipeline does not drop below the vapor pressure of the fluid, preventing vaporization and related issues.
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To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.a)2.4 m above the hydraulic gradientb)6.4 m above the hydraulic gradientc)10.0 m above the hydraulic gradientd)5.0 m above the hydraulic gradientCorrect answer is option 'B'. Can you explain this answer?
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To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.a)2.4 m above the hydraulic gradientb)6.4 m above the hydraulic gradientc)10.0 m above the hydraulic gradientd)5.0 m above the hydraulic gradientCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.a)2.4 m above the hydraulic gradientb)6.4 m above the hydraulic gradientc)10.0 m above the hydraulic gradientd)5.0 m above the hydraulic gradientCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.a)2.4 m above the hydraulic gradientb)6.4 m above the hydraulic gradientc)10.0 m above the hydraulic gradientd)5.0 m above the hydraulic gradientCorrect answer is option 'B'. Can you explain this answer?.
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.a)2.4 m above the hydraulic gradientb)6.4 m above the hydraulic gradientc)10.0 m above the hydraulic gradientd)5.0 m above the hydraulic gradientCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.a)2.4 m above the hydraulic gradientb)6.4 m above the hydraulic gradientc)10.0 m above the hydraulic gradientd)5.0 m above the hydraulic gradientCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than _____.a)2.4 m above the hydraulic gradientb)6.4 m above the hydraulic gradientc)10.0 m above the hydraulic gradientd)5.0 m above the hydraulic gradientCorrect answer is option 'B'. Can you explain this answer?.
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