कांसा पदार्थ के लिए प्वासों के अनुपात का मान क्या है?

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UPSC ESE Prelims (Civil) 20 Feb 2022 Official
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  1. 0.14
  2. 0.24
  3. 0.34
  4. 0.44

Answer (Detailed Solution Below)

Option 3 : 0.34
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वर्णन:

प्वासों का अनुपात:

प्वासों का अनुपात अनुप्रस्थ विकृति और अनुदैर्ध्य विकृति का अनुपात होता है।

\(μ = - \frac{{{\epsilon_{(lateral)}}}}{{{\epsilon_{(longitudinal)}}}}\)

अलग-अलग पदार्थो के लिए प्वासों के अनुपात का मान निम्न है:

पदार्थ  प्वासों का अनुपात 
एल्युमीनियम  0.330
कांसा  0.340
पीतल  0.350
कच्चा लोहा  0.270
कंक्रीट  0.200
तांबा  0.355
इस्पात 0.288
जंगरोधी इस्पात  0.305
ताड्य लौह 0.278
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