Questions and Answers
What is the main aim of using measuring devices in the context of this text?
To determine the load-deformation relationship
Which device is used to apply the load on the test specimen and measure this load with the required accuracy?
Testing Machines
What is the primary function of a dial gauge in the context of this text?
To measure the deflection or deformation of different elements
How is a dial gauge typically attached in the context described in the text?
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What is the function of most dial gauges as described in the text?
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What type of device is used to measure the load with the required accuracy in this context?
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What is the function of an LVDT (Linear Variable Differential Transducer) in laboratory testing devices?
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What is the primary purpose of a strain gauge in laboratory testing devices?
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What does the output voltage from an LVDT depend on?
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What is the relationship between the electric resistance of a strain gauge and the deformation occurred in the test specimen?
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Which laboratory testing device is known for its high accuracy and precision?
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What are the components of an LVDT (Linear Variable Differential Transducer)?
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What is the function of an extensometer in laboratory testing devices?
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What happens to the electrical resistance of a strain gauge as it is strained?
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