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Experimentally, strain in the material with high precision is measured by _________ method.

Experimentally, strain in the material with high precision is measured by _________ method. Correct Answer bonded wire resistance gauge

Bonded wire resistance gauge or the SR-4 strain gauge is used for strain measurement. It measures the change in electrical resistivity of wire attached to the material with a change in the dimension of material.

Related Questions

From an alloy, two specimens are machined and tested separately under tension and compression. The engineering stress-strain curves as well as the true stress-true strain curves for tension and compression are plotted in the same diagram. Identify the correct statements:
P. The engineering stress-strain curves in tension and compression are identical.
Q. The true stress-true strain curve in compression is lower than the true stresstrue strain curve in tension due to Bauschinger effect.
R. The true stress-true strain curve in tension is above the corresponding engineering stress-strain, curve.
S. The true stress-true strain curve in tension and compression are identical.
Consider the following statements regarding precision in measurements of a quantity: 1. Precision is the measure of the spread of the incident errors. 2. Precision is independent of the realizable correctness of the measurement. 3. Precision is usually described in terms of number of digits used in the measurement by a digital instrument. Which of the above statements are correct?
The following flow curve shows the deformation behavior of the material in the plastic region. The material is deformed till ε1 and released; the material immediately reached to strain ε2. And the time strain reached to ε3. So, there is a delayed recovery of strain. This is behavior of material is called _________
The true strain rate is given as ϒ, and conventional strain rate is given as ε. The engineering strain is equal to e. The relationship between conventional strain rate and true strain rate is _______
The following flow curve shows the deformation behavior of the material in the plastic region. The material is deformed till ε1 and released; the material immediately reached to strain ε2. So, there is an instantaneous recovery of strain. This is called _________
The relationship between the true strain and engineering strain is given as _____ Where e=conventional strain, ε= Engineering strain
Which of the following statements are correct (i) Accuracy is the closeness with which an instrument approaches the true value as the quantity being measured. (ii) Precision is a measure of reproducibility of the measurement. (iii) Precision of an instrument can be improved upon by calibration. (iv) Accuracy may be specified in terms of limiting error.
Which of the following statements are correct? 1. Accuracy is the closeness with which an instrument approaches the true value of the quantity being measured. 2. Precision is a measure of the reproducibility of the measurement. 3. Precision of an instrument can be improved upon by calibration. 4. Accuracy may be specified in terms of limits of errors.
The ductile material gives best result in the high strain amplitude or high cycle fatigue, while the strong material gives best result in high-stress low cycle fatigue.
Raw material purchased:
1st January, 600 units @ Rs. 12 per unit
12th January, 500 units @ Rs. 14 per unit
21st January, 300 units @ Rs. 13 per unit
Raw material issued for manufacture:
3rd January 300 units
5th January 124 units
15th January 250 units
16th January 300 units
Raw material returned to stores from manufacturing department on 14th January, 50 units. The material is issued on First-in-First out method.
The value of material remaining in store on 21st January will be: