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With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to
[2006]
- a)convection increases, while that due to conduction decreases
- b)convection decreases, while that due to conduction increases
- c)convection and conduction decreases
- d)convection and conduction increases
Correct answer is option 'A'. Can you explain this answer?
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With an increase in the thickness of insulation around a circular pipe...
With an increases in the thickness of insulation around a circular pipe, heat loss to surroundings due to convection increases and due to conduction decreases.
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With an increase in the thickness of insulation around a circular pipe...
Heat Loss from a Circular Pipe with Increased Insulation Thickness
Explanation:
When we increase the thickness of insulation around a circular pipe, heat loss to surroundings due to convection increases, while that due to conduction decreases. This can be explained as follows:
1. Conduction:
Conduction is the transfer of heat through a material without any movement of the material itself. In the case of a circular pipe, conduction occurs through the pipe material and the insulation material. When we increase the thickness of insulation around the pipe, the resistance to heat flow through the insulation material increases. This means that less heat is conducted through the insulation material and more heat remains in the pipe. Therefore, heat loss due to conduction decreases.
2. Convection:
Convection is the transfer of heat through a fluid (liquid or gas) by the movement of the fluid itself. In the case of a circular pipe, convection occurs between the pipe surface and the surrounding fluid (air or water). When we increase the thickness of insulation around the pipe, the surface area exposed to the surrounding fluid decreases. This means that there is less surface area available for heat transfer through convection. Therefore, heat loss due to convection decreases.
However, as the insulation thickness increases, the temperature difference between the pipe surface and the surrounding fluid also increases. This means that the rate of heat transfer through convection increases, leading to an increase in heat loss due to convection.
Therefore, the net effect of increasing the insulation thickness on heat loss is a decrease in heat loss due to conduction and an increase in heat loss due to convection.
Conclusion:
In conclusion, when we increase the thickness of insulation around a circular pipe, heat loss to surroundings due to convection increases, while that due to conduction decreases. This is because the resistance to heat flow through the insulation material increases, reducing heat loss due to conduction, while the temperature difference between the pipe surface and the surrounding fluid increases, leading to an increase in heat loss due to convection.
Explanation:
When we increase the thickness of insulation around a circular pipe, heat loss to surroundings due to convection increases, while that due to conduction decreases. This can be explained as follows:
1. Conduction:
Conduction is the transfer of heat through a material without any movement of the material itself. In the case of a circular pipe, conduction occurs through the pipe material and the insulation material. When we increase the thickness of insulation around the pipe, the resistance to heat flow through the insulation material increases. This means that less heat is conducted through the insulation material and more heat remains in the pipe. Therefore, heat loss due to conduction decreases.
2. Convection:
Convection is the transfer of heat through a fluid (liquid or gas) by the movement of the fluid itself. In the case of a circular pipe, convection occurs between the pipe surface and the surrounding fluid (air or water). When we increase the thickness of insulation around the pipe, the surface area exposed to the surrounding fluid decreases. This means that there is less surface area available for heat transfer through convection. Therefore, heat loss due to convection decreases.
However, as the insulation thickness increases, the temperature difference between the pipe surface and the surrounding fluid also increases. This means that the rate of heat transfer through convection increases, leading to an increase in heat loss due to convection.
Therefore, the net effect of increasing the insulation thickness on heat loss is a decrease in heat loss due to conduction and an increase in heat loss due to convection.
Conclusion:
In conclusion, when we increase the thickness of insulation around a circular pipe, heat loss to surroundings due to convection increases, while that due to conduction decreases. This is because the resistance to heat flow through the insulation material increases, reducing heat loss due to conduction, while the temperature difference between the pipe surface and the surrounding fluid increases, leading to an increase in heat loss due to convection.
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With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to[2006]a)convection increases, while that due to conduction decreasesb)convection decreases, while that due to conduction increasesc)convection and conduction decreasesd)convection and conduction increasesCorrect answer is option 'A'. Can you explain this answer?
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With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to[2006]a)convection increases, while that due to conduction decreasesb)convection decreases, while that due to conduction increasesc)convection and conduction decreasesd)convection and conduction increasesCorrect answer is option 'A'. 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 With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to[2006]a)convection increases, while that due to conduction decreasesb)convection decreases, while that due to conduction increasesc)convection and conduction decreasesd)convection and conduction increasesCorrect answer is option 'A'. 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 With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to[2006]a)convection increases, while that due to conduction decreasesb)convection decreases, while that due to conduction increasesc)convection and conduction decreasesd)convection and conduction increasesCorrect answer is option 'A'. Can you explain this answer?.
With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to[2006]a)convection increases, while that due to conduction decreasesb)convection decreases, while that due to conduction increasesc)convection and conduction decreasesd)convection and conduction increasesCorrect answer is option 'A'. 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 With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to[2006]a)convection increases, while that due to conduction decreasesb)convection decreases, while that due to conduction increasesc)convection and conduction decreasesd)convection and conduction increasesCorrect answer is option 'A'. 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 With an increase in the thickness of insulation around a circular pipe, heat loss to surroundings due to[2006]a)convection increases, while that due to conduction decreasesb)convection decreases, while that due to conduction increasesc)convection and conduction decreasesd)convection and conduction increasesCorrect answer is option 'A'. Can you explain this answer?.
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