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when a solid shaft is subjected to tension its linear
dimension changes equaly as its lateral dimension,then what
will be its poissons ratio?
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Answer / pushkar
The above Answers r wrong.
The answer is Ratio of "Original Length to Original
Daimeter"
Because Poissons ratio=Strain(lateral)/Strain(linear)
Strain(lateral)=change in diameter/original diameter
Strain(linear)=change in length/original length
Dimention change is equal means change in diameter = change
in length.
Hence Poissons ratio=original length(L)/original diameter(D)
| Is This Answer Correct ? | 30 Yes | 1 No |
Answer / nishant
Poison's ratio can not be more than 0.5 .It is a
dimensionless quantity (1st 2 answers are wrong coz we
cannot compare length and area ) it will be the ratio of
strain in both direction. Dimensions are not written
properly so it can be approximated as 0.5
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / mechatronics89
I agree with Pushkar. He has explained the concept of
poisson ratio clearly. But there is a corrction in the
formula. The poisson ratio is negative of what u have
written. It is
Poissons ratio= - Strain(lateral)/Strain(linear)
in most of cases, when strain in linear direction is +ve,
the strain in lateral is negative and so we get positive
poisson ratio.
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / karthick
poisson's ratio is the ratio between lateral and
longitudinal dimension.so i think it is one
| Is This Answer Correct ? | 0 Yes | 3 No |
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