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Questions and Answers
What is the function of an LVDT in laboratory testing devices?
What does an electrical strain gauge measure?
How does an LVDT work?
What is the purpose of a strain gauge in laboratory testing devices?
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What is the role of an extensometer in laboratory testing devices?
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What is the main aim of using measuring devices in the context of the provided text?
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What is the function of testing machines as described in the text?
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What is the purpose of dial gauges in laboratory testing devices?
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What is the characteristic feature of most dial gauges according to the provided text?
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Which device is used to attach two points for measuring relative movement according to the text?
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Study Notes
Laboratory Testing Devices
- LVDT (Linear Variable Differential Transformer) is used to measure displacement, position, and pressure in laboratory testing devices.
Measurement Devices
- Electrical strain gauge measures the deformation of a material under stress.
- The purpose of a strain gauge in laboratory testing devices is to measure the deformation of materials.
Extensometer
- The role of an extensometer in laboratory testing devices is to measure the change in length of a material.
Measuring Devices
- The main aim of using measuring devices in laboratory testing is to accurately measure the physical properties of materials under different conditions.
Testing Machines
- The function of testing machines is to apply a controlled force to a material to measure its mechanical properties.
Dial Gauges
- The purpose of dial gauges in laboratory testing devices is to measure small displacements or movements.
- The characteristic feature of most dial gauges is that they have a circular dial with a pointer that moves over a calibrated scale.
Relative Movement Measurement
- An extensometer is used to attach two points for measuring relative movement.
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Description
Test your knowledge on the structures and properties of materials, focusing on the use of measuring devices such as testing machines, dial gauges, LVDT, strain gauges, and proving rings. Explore the aim and importance of using measuring devices in determining load-deformation relationships and calculating material mechanical properties.