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Questions and Answers
What is service pressure?
At what temperature is service pressure typically defined?
How is a cylinder typically filled in relation to its service pressure?
What is the unit of temperature in which service pressure is typically measured?
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What happens to the pressure in a cylinder when the temperature increases?
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How many revolutions should the cylinder valve be turned when in use?
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What should be avoided during closure of the cylinder valve?
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When should the cylinder valve be fully open?
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Why is it important to turn the cylinder valve two full revolutions?
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What is the recommended action when opening the cylinder valve?
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What is the name of the software described in the content?
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What is the number mentioned in the content in relation to PDFelement?
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What is the context in which the term 'volume' is used in the content?
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What is the purpose of mentioning the cylinder in the content?
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What is the relationship between Wondershare and PDFelement?
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Why are cylinders only partially filled?
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What happens to the liquid in the cylinder if the temperature increases?
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What is the purpose of the extra space in partially filled cylinders?
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Why is it necessary to leave some space in the cylinder?
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What is the consequence of not leaving enough space in the cylinder?
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What happens to the composition of the mixture as it is being used up?
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What is the effect of the mixture's composition change on the oxygen levels?
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What is the result of the changes in the mixture's composition?
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What is the relationship between the nitrous oxide content and the oxygen levels in the mixture?
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What is the trend in the mixture's composition as it is used up?
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Study Notes
Service Pressure
- Maximum pressure at 70°F (20°C) to which the cylinder is ordinarily filled
Cylinder Valve Usage
- Valve should be fully open when in use
- Valve must be turned two full revolutions
Cylinder Valve Closure
- Avoid over-tightening of the valve during closure
Cylinder Capacity
- Quantified as the volume of water the cylinder could hold if full
Cylinder Filling
- Cylinders are only partially filled to allow space for more liquid to vaporize if the temperature increases
- This allows for changes in the composition of the mixture, becoming increasingly rich in nitrous oxide content and progressively more hypoxic
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Description
This quiz covers the concept of service pressure in cylinders, including its definition and measurement at 70°F (20°C).