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Dynamic strain measurements use __________

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Dynamic strain measurements use __________

(a) brass iron alloy

(b) iron aluminium alloy

(c) nickel cadmium alloy

(d) nickel chromium alloy

I had been asked this question in semester exam.

Question is taken from Operation of Strain Gauges in portion Transducers of Electrical Measurements

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Correct answer is (d) nickel chromium alloy

The best I can explain: Nickel chromium alloy is also known as a nichrome alloy. It contains 80 % of Nickel and 20 % of Chromium. Platinum is used for the temperature compensation of nickel chromium alloys.

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