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What are the methods for strain measuring? Explain in detail the rosette principle.
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What are the key points in tensile testing?
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Explain the method of measuring the tensile modulus using symmetric laminates with 
and 
laminae.
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Explain the method of measuring the tensile modulus using off-axis laminae.
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Explain the method to measure the modulus from stress-strain curve.
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Write a short note on compression testing.
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What are the ways of imposing a compression load on a specimen for compression testing?
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The 
strain rosette is mounted on a shaft as shown in Figure below. The following readings are obtained for each gage: 
, and 
. Determine the strains in global directions.
Figure: Rosette on a shaft
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