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Invar is used or measuring tapes primarily the to its
- a)Non-magnetic properties
- b)High nickel content
- c)Low coefficient of thermal expansion
- d)Hardenability
Correct answer is option 'C'. Can you explain this answer?
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Invar is used or measuring tapes primarily the to itsa)Non-magnetic pr...
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Invar for Measuring Tapes
Invar is used in measuring tapes primarily due to its low coefficient of thermal expansion. Here's why:
Low Coefficient of Thermal Expansion
Invar is an alloy composed of iron and nickel, with a low coefficient of thermal expansion. This means that it does not expand or contract significantly with changes in temperature. Invar's low thermal expansion properties make it ideal for applications where precise measurements are crucial, such as in measuring tapes. When a material has a low coefficient of thermal expansion, it helps maintain accuracy in measuring devices when subjected to temperature variations.
Non-Magnetic Properties
While invar does have non-magnetic properties, this is not the primary reason why it is used in measuring tapes. Invar's low coefficient of thermal expansion is the key factor that makes it suitable for this application.
High Nickel Content
Invar does have a high nickel content, which contributes to its low coefficient of thermal expansion. The nickel content in invar helps to stabilize its structure and minimize the effects of temperature changes on its dimensions.
Hardenability
Invar is not typically used for its hardenability in the context of measuring tapes. Instead, its low coefficient of thermal expansion is the main property that makes it valuable for precision measurement applications.
Invar is used in measuring tapes primarily due to its low coefficient of thermal expansion. Here's why:
Low Coefficient of Thermal Expansion
Invar is an alloy composed of iron and nickel, with a low coefficient of thermal expansion. This means that it does not expand or contract significantly with changes in temperature. Invar's low thermal expansion properties make it ideal for applications where precise measurements are crucial, such as in measuring tapes. When a material has a low coefficient of thermal expansion, it helps maintain accuracy in measuring devices when subjected to temperature variations.
Non-Magnetic Properties
While invar does have non-magnetic properties, this is not the primary reason why it is used in measuring tapes. Invar's low coefficient of thermal expansion is the key factor that makes it suitable for this application.
High Nickel Content
Invar does have a high nickel content, which contributes to its low coefficient of thermal expansion. The nickel content in invar helps to stabilize its structure and minimize the effects of temperature changes on its dimensions.
Hardenability
Invar is not typically used for its hardenability in the context of measuring tapes. Instead, its low coefficient of thermal expansion is the main property that makes it valuable for precision measurement applications.
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Invar is used or measuring tapes primarily the to itsa)Non-magnetic propertiesb)High nickel contentc)Low coefficient of thermal expansiond)HardenabilityCorrect answer is option 'C'. Can you explain this answer?
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