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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Calibration of Strain Gauge

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Intermediate

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1. Which principle is the basis for the operation of a strain gauge?

a: Piezoelectric effect Explanation

Explanation

b: Piezoresistive effect Explanation

Explanation

c: Photoelectric effect Explanation

Explanation

d: Magnetic resonance Explanation

Explanation

2. What is the function of Wheatstone bridge circuit in strain gauge measurements?

a: Amplify the strain signal Explanation

Explanation

b: Provide power to the strain gauge Explanation

Explanation

c: Compensate for temperature changes Explanation

Explanation

d: Detect and measure changes in resistance Explanation

Explanation

3. What is the purpose of applying known loads during strain gauge calibration?

a: To measure strain directly Explanation

Explanation

b: To test the strain gauge's durability Explanation

Explanation

c: To determine the resistance of the gauge Explanation

Explanation

d: To establish a relationship between load and resistance change Explanation

Explanation

4. The calibration curve of a strain gauge is typically:

a: Non-linear Explanation

Explanation

b: Exponential Explanation

Explanation

c: S-shaped Explanation

Explanation

d: Linear Explanation

Explanation

5. What does the sensitivity of a strain gauge represent?

a: The strain it can measure Explanation

Explanation

b: The change in resistance per unit load Explanation

Explanation

c: Its resistance when no load is applied Explanation

Explanation

d: Its temperature stability Explanation

Explanation

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