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Relationship between bulk modulus and poissons ratio?
K=E/(3*(1-2v)) K: Bulk modulus E: young modulus v: poison's ratio on the other hand: delta V/V=(1-2v)*delta L/L relative change in Volume equals to: (1-2v) * relative change in length.
What is the result of a 2 to 1 lecithin and sphingomyelin ratio?
The lecithin to sphingomyelin ratio of 2:1 or greater is characteristic of mature fetal lungs. Fetuses delivered prior to this gestational age are at increased risk of neonatal respiratory distress syndrome.
Why poisson's ratio cannot be greater than 0.5?
If you stretch an object, each side changes length by an amount due to strain,e, so the new length is L(1+e)..Each side normal to the stretch direction contracts by an amount equal to poisson ratio x the stretch. If you calculate the change in volume V you get dV = Ve(1-2u) Ay u = 0.5 there is no volume change (incompressible); if it were greater than 0.5 volume would decrease which is unlikely. If it is 0, there is no lateral contraction and volume increases. If less than 0 the object will actually expand laterally rather than contract, and some special materials do this. Poisson ratio can be as low as -1, but most common materials lie between 0 and 0.5
What do you mean by the term mechanical efficiency of an engine?
It is the ratio of indicated power to brake power.
Why auto transformer is lighter than conventional type?
because the copper is saved in the auto transformer that is the ratio of weights of copper in auto transformer to normal transformer is (1-(1/a)) where a is transformer ratio
Where would you find a point with a ratio greater than 1?
Any point where x/y is greater than 1 has a ratio larger than one. For example, the point (2, 1) has a ratio of 2:1, or 2. (3, 1) has a ratio of 3, etc.
Prove that poissons' ratio is 0.5?
since k=E/3(1-2n): where k=bulk modulus and n=poision's ratio it can be seen that value of poision's ratio can't be smaller than 0.5 in order to keep k be +ve.hence poision's ratio is 0.5
What is 'portrait orientation'?
A vertical to horizontal ratio greater than 1.
How do you calculate compression ratio?
compression ratio = compressed size / uncompressed size the ratio should be between 1 and 0 (multiply with 100 to get the ratio in percent) a ratio greater than 1 means, the compressed size is actually greater than the uncompressed size a ratio just below 1 means bad compression the lower the ratio, the better the compression
How do you compare a ratio using division?
Divide the first ratio by the second. If the answer is less than 1 then the first ratio is smaller. If the answer is equal to 1 then the two ratios are equal. If the answer is greater than 1 then the first ratio is larger.
What does it mean when the ratio is greater than 1?
When a ratio is greater than 1, it indicates that the quantity in the numerator is larger than the quantity in the denominator. This suggests a favorable or positive condition, depending on the context. For instance, in financial metrics, a ratio greater than 1 might indicate profitability or more assets than liabilities. In other contexts, it can signify a majority or dominance of one element over another.
Is a ratio of 1 to 2 greater than 1 to 20?
A ratio is simply division. A ratio of 1 to 2 = 1/2. A ratio of 1 to 20 is 1/20. 1/2 > 1/20. So the answer is yes.
How does the ratio 4-5 compare to 2-1?
4-5 is greater than 2-1
When chip thickness ratio greater than 1?
When Rack angle is zero... Chip thickness ration is going to be greater.
Which ratio 2 to 1 or 5 to 1 is greater?
5 to 1 is greater
What compounds have a hydrogen to oxygen ratio that is greater than 2 to 1?
Hydrogen peroxide (H202)
What is larger .rbc or wbc?
No, the amount of RBCs in greater in blood than WBCs. The ratio is 500:1
